Fluorapatito

Características generales


Datos generales


Fórmula: Ca2Ca3(PO4)3F
Sistema de cristalización: Hexagonal
Lustre: Vítreo - resinoso
Color: Violet, green, colourless, brown or blue
Dureza: 5
Rareza: común
Características distintivas: Crystal habit, colour, hardness and look.
Grupo de minerales: Apatite Group

Clasificación

Estado IMA: Approved

Nickel-Strunz : 08.BN.05
  • 8: Fosfatos, arsenatos y vanadatos
  • 08.B: Fosfatos, etc. con aniones adicionales, sin H2O
  • 08.BN: With only large cations,(OH,etc.):RO4=0.33:1

Dana 8th ed. : 41.8.1.1

Etimología:

"Named as the fluorine end-member and from the Greek apatao - ""I am misleading.""



Formación y ambiente

Propiedades fisicas

Hábito: Massive - granular or euhedral crystals

Lustre: Vítreo - resinoso

Transparencia: Transparente, Opaco

Color: Violet, green, colourless, brown or blue

Color en sección fina: Incolora

Raya: Blanco

Dureza (Mohs): 5

Tenacidad: Frágil

Exfoliación::
  • Primera exfoliación: Imperceptible en [0001]
  • Segunda exfoliación: Imperceptible
  • Tercera exfoliación: Imperceptible


Fractura: Concoidal

Densidad: 3,1-3,2 g/cm3 (medida) | 3,18 g/cm3 (calculada)

Cristalografía

Sistema cristalino: Hexagonal

Clase (H-M): 1m (6/m) - Dipiramidal

Grupo espacial: P6(3)/m

Parámetros de la celda: a=9,368Å c=6,884Å

Volumen de unidad de celda: V 523,2Å

Z: 2

Difracción de Rayos X:
Difracción de Rayos X
D(hkl)Intensidad
2,8100
2,70260
2,77255

Propiedades ópticas

Tipo: Uniaxial (-)

Valores RI: nα= 1,633; nγ= 1,63

Máxima birrefringencia: δ = 0,003

Dispersión: Ninguna

Pleocroismo: Dichroic

X: Incoloro
Y: Incoloro



Propiedades químicas

Fórmula: Ca2Ca3(PO4)3F

Elementos químicos: Ca, P, O, F

Composición química: P: 18,43%, F: 3,77%, O: 38,07%, Ca: 39,74%, PO4: 56,51%,

Tests químicos

Reacción a los ácidos: Se disuelve en ácido clorhídrico.
Color de la llama: Red, Yellow, Blue-Green
Otros: Heated with magnesium and moistened gives off phosphoretted hydrogen. Heated with sulphuric acid sometimes gives greasy bubbles of hydrofluoric acid.

Otras propiedades

Fluorescente:
Fosforescente:


Relaciones con otros minerales

Miembro del grupo de minerales: Apatite Group


Minerales pertenecientes al Apatite Group


Minerales acompañantes
NombreImagenClase mineralógica
Alforsita8. Fosfatos, arsenatos y vanadatos
08.B: Fosfatos, etc. con aniones adicionales, sin H2O

Ba5(PO4)3Cl
Belovita-(Ce)8. Fosfatos, arsenatos y vanadatos
08.B: Fosfatos, etc. con aniones adicionales, sin H2O

NaCeSr3(PO4)3F
Belovita-(La)8. Fosfatos, arsenatos y vanadatos
08.B: Fosfatos, etc. con aniones adicionales, sin H2O

NaLaSr3(PO4)3F
CampylitaCampylita8. Fosfatos, arsenatos y vanadatos
08.B: Fosfatos, etc. con aniones adicionales, sin H2O

Pb5(AsO4)3Cl
Cloroapatito8. Fosfatos, arsenatos y vanadatos
08.B: Fosfatos, etc. con aniones adicionales, sin H2O

Ca5(PO4)3Cl
Fluorapatito8. Fosfatos, arsenatos y vanadatos
08.B: Fosfatos, etc. con aniones adicionales, sin H2O

Ca2Ca3(PO4)3F
Fluorbritholita-(Y)9. Silicatos
09.A: Nesosilicatos

Ca2(Y,Ca,Ln)3(SiO4,PO4)3(F,OH)
Fluorcaphita8. Fosfatos, arsenatos y vanadatos
08.B: Fosfatos, etc. con aniones adicionales, sin H2O

SrCaCa3(PO4)3F
Fluorstrophita.
:

SrCaSr3(PO4)3F
Hidroxilapatito8. Fosfatos, arsenatos y vanadatos
08.B: Fosfatos, etc. con aniones adicionales, sin H2O

Ca5(PO4)3(OH)
Hydroxylapatita-M.
:

Ca5(PO4)3OH
Johnbaumita8. Fosfatos, arsenatos y vanadatos
08.B: Fosfatos, etc. con aniones adicionales, sin H2O

Ca5(AsO4)3OH
Kuannersuita-(Ce)8. Fosfatos, arsenatos y vanadatos
08.B: Fosfatos, etc. con aniones adicionales, sin H2O

NaCeBa3(PO4)3F0.5Cl0.5
Mimetita8. Fosfatos, arsenatos y vanadatos
08.B: Fosfatos, etc. con aniones adicionales, sin H2O

Pb5(AsO4)3Cl
Morelandita8. Fosfatos, arsenatos y vanadatos
08.B: Fosfatos, etc. con aniones adicionales, sin H2O

Ca2Ba3(AsO4)3Cl
PiromorfitaPiromorfita8. Fosfatos, arsenatos y vanadatos
08.B: Fosfatos, etc. con aniones adicionales, sin H2O

Pb5(PO4)3Cl
Stronadelphita8. Fosfatos, arsenatos y vanadatos
08.B: Fosfatos, etc. con aniones adicionales, sin H2O

Sr5(PO4)3F
Turneaureita8. Fosfatos, arsenatos y vanadatos
08.B: Fosfatos, etc. con aniones adicionales, sin H2O

Ca5(AsO4)3Cl
VanadinitaVanadinita8. Fosfatos, arsenatos y vanadatos
08.B: Fosfatos, etc. con aniones adicionales, sin H2O

Pb5(VO4)3Cl


Minerales acompañantes:

Minerales acompañantes
NombreImagenClase mineralógica
ArsenopiritaArsenopirita2. Sulfuros y sulfosales
02.E: Sulfuros con metal, M:S = 1:2

FeAsS
CalcitaCalcita5. Carbonatos (nitratos)
05.A: Carbonatos sin aniones adicionales, sin H2O

CaCO3
CasiteritaCasiterita4. Óxidos
04.D: Metal:Oxígeno = 1:2 y similar

SnO2
FluoritaFluorita3. Haluros
03.A: Haluros simples, sin H2O

CaF2
Nephelina9. Silicatos
09.F: Tectosilicatos sin ceolita H2O

(Na,K)AlSiO4
TopacioTopacio9. Silicatos
09.A: Nesosilicatos

Al2(SiO4)(F,OH)2




Yacimientos y localidades de interés

Localidades

  • Tavistock, Devonshire, England - Localidad tipo.
  • Nuristan, Laghman Province, Afghanistan
  • Kunar valley, Afghanistan
  • Panzher valley, Afghanistan
  • Kunar valley, Afghanistan
  • Nuristan, Laghman Province, Afghanistan
  • Nuristan, Laghman Province, Afghanistan
  • Kunar valley, Afghanistan
  • Panzher valley, Afghanistan
  • Nuristan, Laghman Province, Afghanistan
  • Panzher valley, Afghanistan
  • Kunar valley, Afghanistan
  • Panzher valley, Afghanistan
  • Cerro Blanco pegmatites, Cordoba, Argentina
  • Cerro Blanco pegmatites, Cordoba, Argentina
  • Cerro Blanco pegmatites, Cordoba, Argentina
  • Cerro Blanco pegmatites, Cordoba, Argentina
  • Burra Burra mine, Burra, South Australia, Australia
  • Cygnet, Tasmania, Australia
  • Mt Lyell, Tasmania and Tingha, New South Wales, Australia
  • Mt Lyell, Tasmania and Tingha, New South Wales, Australia
  • Proprietary mine, Broken Hill, New South Wales, Australia
  • Spring Creek mine, Flinders Range, South Australia, Australia
  • Proprietary mine, Broken Hill, New South Wales, Australia
  • Spring Creek mine, Flinders Range, South Australia, Australia
  • Burra Burra mine, Burra, South Australia, Australia
  • Cygnet, Tasmania, Australia
  • Proprietary mine, Broken Hill, New South Wales, Australia
  • Spring Creek mine, Flinders Range, South Australia, Australia
  • Burra Burra mine, Burra, South Australia, Australia
  • Mt Lyell, Tasmania and Tingha, New South Wales, Australia
  • Cygnet, Tasmania, Australia
  • Mt Lyell, Tasmania and Tingha, New South Wales, Australia
  • Proprietary mine, Broken Hill, New South Wales, Australia
  • Spring Creek mine, Flinders Range, South Australia, Australia
  • Burra Burra mine, Burra, South Australia, Australia
  • Cygnet, Tasmania, Australia
  • Knappenwald, Untersulzbachtal, Salzburg, Austria
  • Schellgaden, Salzburg, Austria
  • Knappenwald, Untersulzbachtal, Salzburg, Austria
  • Knappenwald, Untersulzbachtal, Salzburg, Austria
  • Schellgaden, Salzburg, Austria
  • Knappenwald, Untersulzbachtal, Salzburg, Austria
  • Schellgaden, Salzburg, Austria
  • Schellgaden, Salzburg, Austria
  • Poopó, Oruro Dept., Bolivia
  • Siglo Veinte (XX) mine, Llallagua, Bustillo, Potosí Dept, Bolivia
  • Constancia mine, Tazna, Sud Chichas, Potosí Dept, Bolivia
  • Jaguaracu Pegmatite, Jaguaracu, Minas Gerais, Brazil
  • Jacuaracu pegmatite, Lavra de Sr. Jose Pinto, Municipo de Timoteo, Jacuaracu, Minas Gerais, Brazil
  • Golconda Mine, Minas Gerais, Brazil
  • Boqueirãozinho pegmatite, Parelhas, Rio Grande do Norte, Brazil
  • Alto Benedito Pegmatite, Paraíba, Brazil
  • Almerindo mine, Linopolis, Minas Gerais, Brazil
  • Corrego Frio mine, near Linopolis, Minas Gerais, Brazil
  • Sapucaia pegmatite mine, near Galileia, Minas Gerais, Brazil
  • Corrego do Urucum pegmatite, Minas Gerais, Brazil
  • Poudrette quarry, Mt St.-Hilaire, Rouville Co., Québec, Canada
  • Davis Quarry, Dungannon Township, Bancroft, Hastings Co., Ontario, Canada
  • Davis Hill, Dungannon Township, Bancroft, Hastings Co., Ontario, Canada
  • Demix-Varennes quarry, Saint-Amable sill, Varennes, Verchéres Co., Québec, Canada
  • Francon quarry, St-Michel distr., Montreal Island, Québec, Canada
  • Bear Lake Road, near Tory Hill, Ontario, Canada
  • Yates Uranium mine, Otter Lake, Pontiac Co., Ontario, Canada
  • Rapid Creek, Big Fish River - Blow River Area, Yukon Territory, Canada
  • Lake Clear - Kuehl Lake area, Renfrew Co., Ontario, Canada
  • Ice River complex, British Columbia, Canada
  • Goulding-Keene Quarry, Dungannon Township, Bancroft, Hastings Co., Ontario, Canada
  • Sherbrooke, Québec, Canada
  • Parker mine, Notre Dame du Laus, Québec, Canada
  • Mt St.-Hilaire, Rouville Co., Québec, Canada
  • Yates Mine, Huddersfield Township, Pontiac Co., Québec, Canada
  • Rasovna, Sumperk, Maehren, Czech Republic
  • Smrcina, Sobotin, Sumperk, Maehren, Czech Republic
  • Vlastejovice, Kutna Hora, Stredocesky, Czech Republic
  • Vezna, Zdar nad Sazavou, Maehren, Czech Republic
  • Vernerov, Severocesky, Czech Republic
  • Novy rybnik, Pisek, Jihocesky, Czech Republic
  • Krupka, Krusne Hory, Vychodocesky, Czech Republic
  • Horni Bory, Zdar nad Sazavou, Maehren, Czech Republic
  • Horni Slavkov, Karlovy Vary, Czech Republic
  • Krasne, Sumperk, Maehren, Czech Republic
  • Penberthy Croft mine, St. Hilary, Cornwall, England
  • Gunheath pit, Bugle, Hensbarrow Moor, Cornwall, England
  • Botallack mine, Botallack, St. Just, Cornwall, England
  • Colcerrow quarry, Luxulyan, Cornwall, England
  • Gravel Hill mine, Perranzabuloe, Cornwall, England
  • Gunheath China Clay Pit, Stenalees, St.Austell, Cornwall, England
  • Halvasso quarry, Longdowns, Cornwall, England
  • Kessle quarry, Longdowns, Cornwall, England
  • Goonbarrow China Clay pit, St. Austell, Cornwall, England
  • Trolvis quarry, Longdowns, Cornwall, England
  • Tremearne Pegmatite, Breage, Cornwall, England
  • Stenna Gwyn Mine, St. Austell, Cornwall, England
  • Old Gunnislake mine, Calstock, Cornwall, England
  • New Aplite Quarry, Meldon, Okehampton, Devon, England
  • North Goonbarrow pit, Bugle, Hensbarrow Moor, Cornwall, England
  • Stennagwyn mine, St. Stephen-in-Brannel, Cornwall, England
  • Megiliggar Rocks, Porthleven, Cornwall, England
  • Meldon BR Quarry, Okehampton, Devon, England
  • St. Michael's Mount, Marazion, Cornwall, England
  • Tregargus quarry, St. Stephen-in-Brannel, Cornwall, England
  • Trelavour Downs, St. Dennis, Cornwall, England
  • Montebras, Soumans, Creuse, Limousin, France
  • Trimouns Talc mine, Ariège, Midi-Pyrénées, France
  • Clara mine, Oberwolfach, Baden-Wuerttemberg, Germany
  • Ehrenfriedersdorf, Sachsen, Germany
  • Ehrenfriedensdorf, Sachsen, Germany
  • Fohberg, Kaiserstuhl, Baden-Wuerttemberg, Germany
  • Steinbruch, Hinterohlsbach, Kinzigtal, Baden-Wuerttemberg, Germany
  • Daniel mine, Schneeberg, Sachsen, Germany
  • Schneckenstein, Vogtland, Sachsen, Germany
  • Roßgrabeneck, Kinzigtal, Baden-Wuerttemberg, Germany
  • Karem quarry, Birresborn, Eifel, Germany
  • Steinbissäge, Gremmelsbach, Kinzigtal, Baden-Wuerttemberg, Germany
  • Artenberg quarry, Kinzigtal, Baden-Wuerttemberg, Germany
  • Bärensteinbruch quarry, Radautal, Bad Harzburg, Harz Mts, Sachsen, Germany
  • Horberig, Kaiserstuhl, Baden-Wuerttemberg, Germany
  • Hechtsberg quarry, Kinzigtal, Baden-Wuerttemberg, Germany
  • Val Graveglia, Liguria, Italy
  • Carrara, Tuscany, Italy
  • Mount Vesuvius, Naples, Campania, Italy
  • Fuka mine, Bicchu-cho, Kawakami, Okayama Pref., Japan
  • Djelisu massif, Osh region, Khodzha-Ochkan river basin, Kyrgyzstan
  • Vohemar, Madagascar
  • Cerro de Mercado, Durango, Mexico
  • Mogok, Ohngaing, Sagaing, Myanmar Republic
  • Aris quarry, Windhoek, Namibia
  • Watsons Beach, Otago, New Zealand
  • Evje-Ivedal, Iveland, Aust-Agder, Norway
  • Einerkilen, Flåt, Evje, Aust-Agder, Norway
  • Shengus, Skardu Road, Gilgat, Northern Areas, Pakistan
  • Basha Nala, Shigar Valley, near Skardu, Pakistan
  • Tormiq Valley, Skardu Road, Gilgat, Northern Areas, Pakistan
  • Panasqueira mine, Panasqueira, Beira-Beixa, Portugal
  • Puiva, Saranpual, Polar Urals, Russia
  • Mt Suolaiv, Lovozero alkaline Massif, Kola Peninsula, Russia
  • Dodo mine, Polar Urals, Tyumen Oblast, Russia
  • Malkanskiy, Transbaikal, Siberia, Russia
  • Aldan Shield, Yakutiya, Siberia, Russia
  • Lake Baikal, Siberia, Russia
  • Kovdor massif and Khibina massif, Vuonnemi River, Kola Peninsula, Russia
  • Leadhills-Wanlockhead district, Strathclyde/Dumfries and Galloway, Scotland
  • Palabora mine, Loolekop, Transvaal, South Africa
  • Messina, Transvaal, South Africa
  • Dara-i-Pioz, Alayskiy Range, Garm, Tajikistan
  • George Elliot mine, Rumford, Oxford Co., Maine, USA
  • Gillette quarry, Haddam Neck, East Hampton, Middlesex Co., Connecticut, USA
  • Dunton Quarry etc, Newry Township, Oxford Co., Maine, USA
  • E.P. Thomas mine, Phippsburg, Sagadahoc Co., Maine, USA
  • Eagle Mine, Bonanza mining district, Saguache Co., Colorado, USA
  • Eastman mine, Stow, Oxford Co., Maine, USA
  • Eight Mile Park, Eight Mile Park pegmatite district, Fremont Co., Colorado, USA
  • Eight-Ball Mica prospect, Rumney, Grafton Co., New Hampshire, USA
  • General Electric mines, Buckfield, Oxford Co., Maine, USA
  • General Area, Franklin, Sussex Co., New Jersey, USA
  • G.E. Smith mine, Newport, Sullivan Co., New Hampshire, USA
  • Redstone Granite quarry, Westerly, Washington Co., Rhode Island, USA
  • Maine Feldspar mine, Auburn, Androscoggin Co., Maine, USA
  • Freeport Granite quarry, Freeport, Cumberland Co., Maine, USA
  • Fisher Quarry, Topsham Township, Sagadahoc Co., Maine, USA
  • Foote Spodumene Mine, Kings Mountain, Cleveland Co., North Carolina, USA
  • Manville quarry, Cumberland, Providence Co., Rhode Island, USA
  • Foster Hill prospects, Stoneham, Oxford Co., Maine, USA
  • F. Perham prospect, Rumford, Oxford Co., Maine, USA
  • Ellingwood mine, Paris, Oxford Co., Maine, USA
  • Emmons mine, Greenwood, Oxford Co., Maine, USA
  • Little Deer Hill prospect, Stow, Oxford Co., Maine, USA
  • Little Green Monster Mine/Clay Canyon, Fairfield, Utah Co., Utah, USA
  • Little Singepole Mt. prospects, Paris, Oxford Co., Maine, USA
  • Little Three mine, Ramona district, San Diego Co., California, USA
  • Lobikis mine, Peru, Oxford Co., Maine, USA
  • local Quarries, Haddam, Middlesex Co., Connecticut, USA
  • Lord Hill mine, Stoneham, Oxford Co., Maine, USA
  • Greenlaw mine, Auburn, Androscoggin Co., Maine, USA
  • Litchfield Sodalite locality, Litchfield, Kennebec Co., Maine, USA
  • John Balla mine, South Acworth, Sullivan Co., New Hampshire, USA
  • Estes mine, Baldwin, Cumberland Co., Maine, USA
  • Grants Mills, Cumberland, Providence Co., Rhode Island, USA
  • Keyes Mica mines, Orange, Grafton Co., New Hampshire, USA
  • King Lithia Mine, Keystone, Pennington Co., South Dakota, USA
  • Kinglet prospect, Newry, Oxford Co., Maine, USA
  • LaChance mine, Brunswick, Cumberland Co., Maine, USA
  • LCA mine, Bessermer City, Gaston Co., North Carolina, USA
  • Goddard Ledge mines, Rumford, Oxford Co., Maine, USA
  • Guy Johnson mine, Albany, Oxford Co., Maine, USA
  • "Redstone Red Granite"" quarry, Conway, Carroll Co., New Hampshire, USA"
  • Mt. Rubellite mines, Hebron, Oxford Co., Maine, USA
  • Martin mine, Newry, Oxford Co., Maine, USA
  • Martin Prospect, Newry, Maine, USA
  • Mazatzal Mts., Four Peaks, Maricopa Co., Arizona, USA
  • Meeper Mine, Pisgah National Forest, Buncombe Co., North Carolina, USA
  • Melrose Farm Beryllonite prospects, Stoneham, Oxford Co., Maine, USA
  • Meyers Ranch, McGuffey Area, Park Co., Colorado, USA
  • mica Lode/Meyers/School Section Mines/etc, Royal Gorge Area, El Paso Co., Colorado, USA
  • Nubble mine, Greenwood, Oxford Co., Maine, USA
  • Manton Avenue quarry, Providence, Providence Co., Rhode Island, USA
  • Northumberland Mine, Toquima Range Area, Nye Co., Nevada, USA
  • Noyes Mountain, Greenwood Township, Oxford Co., Maine, USA
  • New Cornelia Mine, Ajo, Pima Co., Arizona, USA
  • Ohtonens mine, Greenwood, Oxford Co., Maine, USA
  • Organ Mts, Dona Ana Co., New Mexico, USA
  • Orman McAllister mine, Lovell, Oxford Co., Maine, USA
  • Palermo Nr 1 mine, North Groton, Grafton Co., New Hampshire, USA
  • Pattuck mine, Alexandria, Grafton Co., New Hampshire, USA
  • Mt Marie mines, Paris, Oxford Co., Maine, USA
  • Mt Mica mine, Paris, Oxford Co., Maine, USA
  • Perry Petalite prospect, Peru, Oxford Co., Maine, USA
  • Pingree Ledge mine, Albany, Oxford Co., Maine, USA
  • Porcupine Hill mine, Topsham, Sagadahoc Co., Maine, USA
  • Pownal Granite quarry, Pownal, Cumberland Co., Maine, USA
  • Ridgefield, Fairfield Co., Connecticut, USA
  • Pulsifer mine & Dionne extension, Auburn, Androscoggin Co., Maine, USA
  • Ragged Jack Mt. Chrysoberyl locality, Sumner, Oxford Co., Maine, USA
  • Ray Mica Mine, Yancey Co., North Carolina, USA
  • Ruggles Mine, Grafton Center, Grafton Co., New Hampshire, USA
  • Royal Gorge Area, Fremont Co., Colorado, USA
  • Pechnick prospect, Rumford, Oxford Co., Maine, USA
  • Mud mine, Alexandria, Grafton Co., New Hampshire, USA
  • Nason mine, Batchelder's Grant, Oxford Co., Maine, USA
  • near Auburn, Maine, USA
  • Nevel mine, Newry, Oxford Co., Maine, USA
  • Roy Granite quarry, Oxford, Oxford Co., Maine, USA
  • Rossie lead mines, St. Lawrence Co., New York, USA
  • Roy mine, Rumford, Oxford Co., Maine, USA
  • Peabody Pond Granite quarry, Naples, Cumberland Co., Maine, USA
  • Hansen Creek, King Co., Washington, USA
  • Bryant Pond Granite quarry, Woodstock, Oxford Co., Maine, USA
  • Bell Pit, Newry, Oxford Co., Maine, USA
  • Bemis Stream prospect, Township D, Franklin Co., Maine, USA
  • Bennett & Orchard Pit mines, Buckfield, Oxford Co., Maine, USA
  • Berry-Havey mines, Poland, Androscoggin Co., Maine, USA
  • Anderson mine, Mason, Oxford Co., Maine, USA
  • Davis Mica mine, West Bath, Sagadahoc Co., Maine, USA
  • Davis pyrite mine, Rowe, Franklin Co., Massachusetts, USA
  • Deadmans Canyon pegmatite, El Paso Co., Colorado, USA
  • Barrus Farm locality, Goshen, Hampshire Co., Massachusetts, USA
  • B.B.#7 mine, Norway, Oxford Co., Maine, USA
  • Walden Gem mine, Portland, Middlesex Co., Connecticut, USA
  • Washington, Litchfield Co., Connecticut, USA
  • Watson's Pier, Narragansett, Washington Co., Rhode Island, USA
  • Turner mine, Auburn, Androscoggin Co., Maine, USA
  • Virginia Lake prospect, Stoneham, Oxford Co., Maine, USA
  • Wade mine, Auburn, Androscoggin Co., Maine, USA
  • A.C. Perham mine, West Paris, Oxford Co., Maine, USA
  • Allen Mt. prospect, Stoneham, Oxford Co., Maine, USA
  • Deer Hill mine, Stow, Oxford Co., Maine, USA
  • Diamond Hill/Sneech Pond Copper Mines, Cumberland, Rhode Island, USA
  • Broome prospect, Newry, Oxford Co., Maine, USA
  • Bumpus mine, Albany, Oxford Co., Maine, USA
  • Chester Mica mines, Chester, Hampden Co., Massachusetts, USA
  • Cole mine, Stoneham, Oxford Co., Maine, USA
  • Construction Materials Corp. quarry, Tiverton, Newport Co., Rhode Island, USA
  • Copper Mt pegmatite district, Fremont Co., Wyoming, USA
  • Crooker prospect, Newry, Oxford Co., Maine, USA
  • Betts Manganese Mine, Plainfield, Hampshire Co., Massachusetts, USA
  • Brooks Hollow Dam, Bear Mountain State Park, Orange Co., New York, USA
  • Branchville Mica mine, Branchville, Fairfield Co., Connecticut, USA
  • Bethel Church, Indiana, USA
  • Dunn mines, Norway, Oxford Co., Maine, USA
  • Catherine Mt. Molybdenite prospect, T10 SD, Hancock Co., Maine, USA
  • Biermann & Codfish Hill quarries, Bethel, Fairfield Co., Connecticut, USA
  • Big Creek - Rush Creek area, Fresno Co., California, USA
  • Black Mt spodumene pegmatite prospect, Natrona Co., Wyoming, USA
  • Black Mt. mines, Rumford, Oxford Co., Maine, USA
  • Bonnet Shores, Narragansett, Washington Co., Rhode Island, USA
  • Waisanen mine, Greenwood, Oxford Co., Maine, USA
  • Harvard Quarry, Greenwood Township, Oxford Co., Maine, USA
  • White Mt. Batholith Pegmatite District, Carroll Co., New Hampshire, USA
  • Rumford Falls locality, Rumford, Oxford Co., Maine, USA
  • Whitehall mine, Rumford, Oxford Co., Maine, USA
  • Wentworth mine, Hartford, Oxford Co., Maine, USA
  • Willis Warren mine, Stoneham, Oxford Co., Maine, USA
  • Tilcon Capaldi quarry, Acushnet, Bristol Co., Massachusetts, USA
  • Strickland quarry, Middlesex Co., Connecticut, USA
  • Sullivan Granite quarry, Bradford, Westerly, Washington Co., Rhode Island, USA
  • Whitecap Mt. localities, Rumford, Oxford Co., Maine, USA
  • Joe McKeen Mt. locality, Lovell, Oxford Co., Maine, USA
  • HedgeHog Hill, Peru Township, Oxford Co., Maine, USA
  • Himalaya mine, Mesa Grande district, San Diego Co., California, USA
  • Hooper Ledge prospect, Paris, Oxford Co., Maine, USA
  • Keith mine, Auburn, Androscoggin Co., Maine, USA
  • Interstate 295 roadcut, Cranston, Providence Co., Rhode Island, USA
  • Iron Hill, Cebolla Creek area, Powderhorn, Gunnison Co., Colorado, USA
  • Italian Mt. Area, Aspen, Gunnison Co., Colorado, USA
  • Jamestown mine, Tuolumne Co., California, USA
  • Summit Rock, Douglas Co., Oregon, USA
  • Swan Prospect, Pisgah National Forest, Buncombe Co., North Carolina, USA
  • Sterling Hill and Franklin Furnace, Sussex Co., New Jersey, USA
  • Scribner Ledge mine, Albany, Oxford Co., Maine, USA
  • Sedalia Copper Mine, Sedalia, Chaffee Co., Colorado, USA
  • Smith Granite quarry, Westerly, Washington Co., Rhode Island, USA
  • Songo Pond mine, Albany, Oxford Co., Maine, USA
  • Square Pit, Topsham, Sagadahoc Co., Maine, USA
  • Trumball Peak, Mariposa Co., California, USA
  • Warren Nickel prospect, Warren, Knox Co., Maine, USA
  • Scotty Mine, Newry Township, Oxford Co., Maine, USA
  • Ryerson Hill mines, Paris, Oxford Co., Maine, USA
  • Three Peaks, Cedar City, Utah, USA
  • Swanson quarry, East Hampton, Middlesex Co., Connecticut, USA
  • Sweet Home Mine, Alma District, Park Co., Colorado, USA
  • Tamminen mine, Greenwood, Oxford Co., Maine, USA
  • The-Hole-In-The-Ground mine, Auburn, Androscoggin Co., Maine, USA
  • Thomas Mine, Pisgah National Forest, Buncombe Co., North Carolina, USA
  • Tiger Bill Quarries, Greenwood Township, Oxford Co., Maine, USA
  • Starrett mines, Warren, Knox Co., Maine, USA
  • Tip Top pegmatite, Custer Co., South Dakota, USA
  • Fron Oleu (Prenteg), Tremadog, Gwynedd, Wales
  • Kipushi mine, Lubumbashi, Shaba, Zaire


Bibliografía y más información

American Mineralogist, vol. 74, p.870, (1989)
American Mineralogist, vol. 80, p.329-335, (1995)
Acta Crystallographica, vol. B47, p.683(s), (1991)
American Mineralogist, vol. 75, p.295, (1990)
American Mineralogist, vol. 76, p.1857, (1991)

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