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Montebrasite

Formula:
LiAl[(OH,F)|PO
 
4
]
System:TriclinicColour: White, colorless, gray, ...
Hardness:5½ - 6
Name:For the type locality, the Montebras Mine, Montebras-en-Soumans, Boussac, Creuse, Limousin, France.


Amblygonite-Montebrasite Series. The Hydroxyl analogue of Amblygonite.

Occurs chiefly in granite pegmatites of the lithium- and phosphate-rich type. Crystals may be enormous in size.

Classification of Montebrasite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:7/B.02-40
Nickel-Strunz 10th (pending) edition ID:8.BB.05

8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
B : With only medium-sized cations, (OH, etc.):RO4 about 1:1
Dana 8th edition ID:41.5.8.2

41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
5 : (AB)2(XO4)Zq
Hey's CIM Ref.:19.8.1

19 : Phosphates
8 : Phosphates of Al and other metals
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Type Occurrence of Montebrasite

Type Locality:Montebras Mine, Montebras-en-Soumans, Boussac, Creuse, Limousin, France
Year of Discovery:1871

Occurrences of Montebrasite

Geological Setting:A late primary mineral in zoned, complex granitic pegmatites.

Physical Properties of Montebrasite

Lustre:Vitreous, Greasy, Pearly
Diaphaneity (Transparency):Transparent, Translucent
Comment:Pearly on well-developed cleavages.
Colour: White, colorless, gray, brownish, pinkish, yellowish
Hardness (Mohs):5½ - 6
Tenacity:Brittle
Cleavage:Perfect
Perfect on {100}, good on {110}, distinct on {011}, and on {001}, imperfect.
Fracture:Irregular/Uneven, Sub-Conchoidal
Density (measured):2.98 - 3.04 g/cm3
Density (calculated):3.03 g/cm3
Comment:Value for montebrasite end-member ~ 2.98.

Crystallography of Montebrasite

Crystal System:Triclinic
Class (H-M):1 - Pinacoidal
Cell Parameters:a = 6.713(1) Å, b = 7.708(1) Å, c = 7.0194(7) Å
α = 91.31(1)°, β = 117.93(1)°, γ = 91.77(1)°
Ratio:a:b:c = 0.871 : 1 : 0.911
Unit Cell Volume:V 320.46 ų (Calculated from Unit Cell)
Z:4
Morphology:Crude crystals, typically equant to short prismatic [010], with complex form development, to 1.5 meters; also occurs as large cleavable masses; columnar; compact.
Twinning:On {111}, common, with composition plane {111} with the resulting twins commonly tabular parallel to {111} and the twinned individuals of about equal size; also tabular {110} and the twinned individuals of very unequal size. Also twins on {111}, rare; lamellar. Microscopic polysynthetic twinning is common.
X-Ray Powder Diffraction:
Image Loading

Radiation - Copper Kα
Data Set:
Horizontal Axis: ° to ° Vertical Axis: % Source Data: Filtered Data: Peaks:
Data courtesy of RRUFF project at University of Arizona, used with permission.

Optical Data of Montebrasite

Type:Biaxial (+/-)
RI values: nα = 1.594 - 1.615 nβ = 1.608 - 1.624 nγ = 1.616 - 1.645
2V:Measured: 66° to 101°, Calculated: 52° to 88°
Maximum Birefringence:δ = 0.022 - 0.030

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate
Dispersion:r < v

Chemical Properties of Montebrasite

Formula:
LiAl[(OH,F)|PO
 
4
]
Essential elements:Al, H, Li, O, P
All elements listed in formula:Al, F, H, Li, O, P
Common Impurities:Na

Relationship of Montebrasite to other Species

Series:Forms a series with Amblygonite (see here)
Common Associates:
TriphyliteTourmalineTopazSpodumenePolylithionite-Trilithionite Series
PollucitePetaliteMica GroupLithiophiliteCassiterite
Apatite
Related Minerals - Nickel-Strunz Grouping):

- +
8.BB.05Amblygonite
LiAl[(F,OH)|PO
 
4
]
8.BB.05Tavorite
LiFe
3+
 
[OH|PO
 
4
]
8.BB.10Triplite
(Mn
2+
 
,Fe
2+
 
)
 
2
[(F,OH)|PO
 
4
]
8.BB.10Zwieselite
(Fe
2+
 
,Mn
2+
 
)
 
2
[F|PO
 
4
]
8.BB.15Sarkinite
Mn
2+
2
[OH|AsO
 
4
]
8.BB.15Triploidite
(Mn
2+
 
,Fe
2+
 
)
 
2
[OH|PO
 
4
]
8.BB.15Wagnerite
(Mg,Fe
2+
 
)
 
2
[F|PO
 
4
]
8.BB.15Wolfeite
(Fe
2+
 
,Mn
2+
 
)
 
2
[OH|PO
 
4
]
8.BB.15Stanĕkite
Fe
3+
 
(Mn
2+
 
,Fe
2+
 
,Mg)[O|PO
 
4
]
8.BB.15Joosteite
Mn
2+
 
(Mn
3+
 
,Fe
3+
 
)[PO
 
4
]O
8.BB.15Hydroxylwagnerite
Mg
 
2
[PO
 
4
](OH)
8.BB.20Holtedahlite
Mg
 
2
[OH|PO
 
4
]
8.BB.20Satterlyite
(Fe
2+
 
,Mg,Fe
3+
 
)
 
2
[(OH,O)|PO
 
4
]
8.BB.25Althausite
Mg
 
2
[(OH,F)|PO
 
4
]
8.BB.30Adamite
Zn
 
2
(AsO
 
4
)(OH)
8.BB.30Eveite
Mn
2+
2
[OH|AsO
 
4
]
8.BB.30Libethenite
Cu
 
2
[OH|PO
 
4
]
8.BB.30Olivenite
Cu
 
2
[OH|AsO
 
4
]
8.BB.30Zincolibethenite
CuZnPO
 
4
OH
8.BB.30Zincolivenite
CuZn(AsO
 
4
)(OH)
8.BB.30IMA2009-037
Fe
3+
 
Cu
2+
 
AsO
 
4
O
8.BB.35Paradamite
Zn
 
2
[OH|AsO
 
4
]
8.BB.35Tarbuttite
Zn
 
2
[OH|PO
 
4
]
8.BB.40Barbosalite
Fe
2+
 
Fe
3+
2
[OH|PO
 
4
]
 
2
8.BB.40Hentschelite
CuFe
3+
2
[OH|PO
 
4
]
 
2
8.BB.40Lazulite
(Mg,Fe
2+
 
)Al
 
2
[OH|PO
 
4
]
 
2
8.BB.40Scorzalite
(Fe
2+
 
,Mg)Al
 
2
[OH|PO
 
4
]
 
2
8.BB.40Wilhelmkleinite
ZnFe
3+
2
[OH|AsO
 
4
]
 
2
8.BB.45Trolleite
Al
 
4
[OH|PO
 
4
]
 
3
8.BB.50Namibite
Cu(BiO)
 
2
(VO
 
4
)(OH)
8.BB.55Phosphoellenbergerite
Mg
 
14
[(OH)
 
6
|(HPO
 
4
,CO
 
3
)
 
2
|(PO
 
4
)
 
6
]
8.BB.60Urusovite
Cu[AlAsO
 
5
]
8.BB.65Theoparacelsite
Cu
 
3
[(OH)
 
2
|As
 
2
O
 
7
]
8.BB.70Turanite
Cu
 
5
[(OH)
 
2
|VO
 
4
]
 
2
8.BB.75Stoiberite
Cu
 
5
[O
 
2
|(VO
 
4
)
 
2
]
8.BB.80Fingerite
Cu
 
11
[O
 
2
|(VO
 
4
)
 
6
]
8.BB.85Averievite
Cu
 
6
[O
 
2
|Cl
 
2
|(VO
 
4
)
 
2
]
8.BB.90Lipscombite
(Fe
2+
 
,Mn
2+
 
)Fe
3+
2
[OH|PO
 
4
]
 
2
8.BB.90Richellite
Ca
 
3
Fe
3+
10
[(OH,F)
 
3
|(PO
 
4
)
 
2
]
 
4
· nH
 
2
O (not confirmed)
8.BB.90Zinclipscombite
ZnFe
3+
2
(PO
 
4
)
 
2
(OH)
 
2
Related Minerals - Hey's Index Grouping:

- +
19.8.2Brazilianite
NaAl
 
3
[(OH)
 
2
|PO
 
4
]
 
2
19.8.3Wardite
NaAl
 
3
[(OH)
 
2
|PO
 
4
]
 
2
· 2H
 
2
O
19.8.4Tancoite
LiNa
 
2
Al[OH|HPO
 
4
|PO
 
4
]
19.8.5Bertossaite
(Li,Na)
 
2
(Ca,Fe
2+
 
,Mn
2+
 
)Al
 
4
[(OH,F)|PO
 
4
]
 
4
19.8.6Tinsleyite
KAl
 
2
[OH|(PO
 
4
)
 
2
] · 2H
 
2
O
19.8.7Taranakite
(K,NH
 
4
)Al
 
3
(PO
 
4
)
 
3
OH·9H
 
2
O
19.8.8Francoanellite
K
 
3
Al
 
5
[(HPO
 
4
)
 
3
|PO
 
4
]
 
2
· 12H
 
2
O
19.8.9Gordonite
MgAl
 
2
[OH|PO
 
4
]
 
2
· 8H
 
2
O
19.8.10Aldermanite
Mg
 
5
Al
 
12
[(OH)
 
11
|(PO
 
4
)
 
4
]
 
2
· 32H
 
2
O
19.8.11Overite
CaMgAl[OH|(PO
 
4
)
 
2
] · 4H
 
2
O
19.8.12Montgomeryite
Ca
 
4
MgAl
 
4
[(OH)
 
2
|(PO
 
4
)
 
3
]
 
2
· 12H
 
2
O
19.8.14Foggite
CaAl[(OH)
 
2
|PO
 
4
] · H
 
2
O
19.8.15Gatumbaite
CaAl
 
2
[OH|PO
 
4
]
 
2
· H
 
2
O
19.8.16Crandallite
CaAl
 
3
[(OH)
 
5
|(PO
 
4
)
 
2
] · H
 
2
O
19.8.17Matulaite
CaAl
 
18
[(OH)
 
5
|(PO
 
4
)
 
3
]
 
4
· 28H
 
2
O
19.8.19Lehiite
19.8.20Millisite
(Na,K)CaAl
 
6
[(OH)
 
9
|(PO
 
4
)
 
4
] · 3H
 
2
O
19.8.21Englishite
K
 
3
Na
 
2
Ca
 
10
Al
 
15
[OH|(PO
 
4
)
 
3
]
 
7
· 26H
 
2
O
19.8.22Kleemanite
ZnAl
 
2
[OH|PO
 
4
]
 
2
· 3H
 
2
O
19.8.23Mantienneite
KMg
 
2
Al
 
2
Ti[(OH)
 
3
|(PO
 
4
)
 
4
] · 15H
 
2
O
19.8.24Paulkerrite
K(Mg,Mn
2+
 
)
 
2
(Fe
3+
 
,Al,Ti,Mg)
 
2
Ti(PO
 
4
)
 
4
(OH)
 
3
· 15H
 
2
O

Other Names for Montebrasite

Other Languages:
German:Montebrasit
Russian:Монтебразит
Spanish:Montebrasita

Other Information

Other Information:Soluble with difficulty in acids. Colours a flame red.

Alters to mixtures of kaolinite and mica group, often as rims surrounding rounded nodules of unaltered material. Also alters to Turquoise, Wavellite, Wardite, and Morinite.
Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Montebrasite

Reference List:Des Cloizeaux (1872) Annales de chimie et de physique, Paris: 27: 385.

Penfield (1879) American Journal of Science: 18: 295.

Lacroix, A. (1910) Minéralogie de la France et des ses colonies, Paris. 5 volumes: vol. 4: 416.

Backlund (1918) Geologiska Föeningens I Stockholm. Förhandlinger, Stockholm: 40: 757.

Larsen, E.S. (1921) The Microscopic Determination of the Nonopaque Minerals, First edition, USGS Bulletin 679: 76.

Hintze, Carl (1924) Handbuch der Mineralogie. Berlin and Leipzig. 6 volumes: 1 [4A]: 626.

Landes (1925) American Mineralogist: 10: 403, 410.

Winchell (1926) American Mineralogist: 11: 246.

Sekanina (1933) Spisy přiřo. fak. Masarykovy Univ., no. 180.

Quensel (1937) Geologiska Föeningens I Stockholm. Förhandlinger, Stockholm: 59: 455.

Strunz (1939) Zentralblatt Mineralien: 248.

Richmond (1940) American Mineralogist: 25: 473.

Tengnér (1940) Geologiska Föeningens I Stockholm. Förhandlinger, Stockholm: 62: 332.

Cunha and Costa (1941) Notas Prelim. Div. Geol. Min. Brasil, no. 22.

Palache, C., Richmond and Wolfe (1943) American Mineralogist: 28: 39.

Nel (1946) American Mineralogist: 31: 51.

Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 1124 pp.: 823-827.

Moss, A.A., E.E. Fejer & P.G. Embrey (1969), On the X-ray identification of amblygonite and montebrasite: Mineralogical Magazine: 37: 412-422.

American Mineralogist (1990): 75: 92-1008.

Anthony, J.W., Bideaux, R.A., Bladh, K.W., and Nichols, M.C. (2000) Handbook of Mineralogy, Volume IV. Arsenates, Phosphates, Vanadates. Mineral Data Publishing, Tucson, AZ, 680pp.: 386.

Internet Links for Montebrasite

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  • Raman and XRD data at RRUFF project
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  • Montebrasite details from Handbook of Mineralogy (PDF)
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    Localities for Montebrasite

    The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Argentina
     
    • Salta
      • Nevados de Palermo
    Milka K. de Brodtkorb (2002) Las Especies Minerales de la Republica Argentina. Vol. 1 (elements, sulphides and sulphosalts). (Asociacion Mineralogica Argentina)
    Galliski et al. (2001) Bismutotantalite from northwestern Argentina: description and crystal structure. Can. Min. Vol. 39, pp. 103-110.
    • San Luis
      • Chacabuco Department
        • Sierra de la Estranzuela
    http://homepage.mac.com/rasprague/PegShop/extras/argentina/argenpeg.html
    Australia
     
    • Western Australia
      • Ravensthorpe Shire
    Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 826.
    Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 826.
    Austria
     
    • Carinthia
      • Koralpe Mts
        • Moschkogel Mt. - Weinebene area
          • Brandrücken
    G. Niedermayr, I. Praetzel: Mineralien Kärntens, 1995
      • Millstatt lake ridge
        • Spittal
          • Millstatt lake
    G. Niedermayr, I. Praetzel: Mineralien Kärntens, 1995
    G. Niedermayr, I. Praetzel: Mineralien Kärntens, 1995
          • Wolfsberg Mt.
    G. Niedermayr, I. Praetzel: Mineralien Kärntens, 1995
    Brazil
     
    • Southeast Region
      • Minas Gerais
        • Doce valley
          • Divino das Laranjeiras
            • Linópolis
    Richard Dale collection
          • Galiléia
            • Sapucaia do Norte
    Cassedanne, J.P. & Baptista, A. (1999): Famous Mineral Localities: The Sapucaia Pegmatite Minas Gerais, Brazil. Mineralogical Record, 30: 347-360 + 365
          • Mendes Pimentel
    Atencio, D., Coutinho, J.M.V., Mascarenhas, Y.P., Ellena, J. (2006): Matioliite, the Mg-analog of burangaite, from Gentil mine, Mendes Pimentel, Minas Gerais, Brazil, and other occurrences. American Mineralogist, 91, 1932-1936.
      • São Paulo
    Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 826.
    Burma (Myanmar)
     
    • Mandalay Division
      • Sagaing District
    http://www.ruby-sapphire.com/r-s-bk-burma2.htm
    Canada
     
    • Manitoba
    Canadian Mineralogist: 40: 1339-1345.
      • Lac-du-Bonnet area
        • Bernic Lake
    Econ Geol (1995) 90:658-675
    Econ Geol (1995) 90:658-675
    • Nova Scotia
      • Lunenberg Co.
    Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 826.
    China
     
    • Fujian Province
      • Nanping Prefecture
        • Zhenghe Co.
          • Nanping pegmatite field
    Yeuqing Yang, Yunxiang Ni, Yongquan Guo, Yaping Zhang, and Jiapin Liu (1986): Acta Petrologica et Mineralogica [Yanshi Kuangwuxue Zashi] 5(2), 119–127.
    • Xinjiang (Xinjiang-Uygur) Autonomous Region
      • Yili Hasake (Ili Kazakh) Autonomous Prefecture
        • Aletai (Altay) Prefecture
          • Fuyun Co.
            • Koktokay (Keketuohai) Pegmatite field
              • Altay Mine
    Huanzhang Lu, Zhonggang Wang, and Yuansheng Li (1997): Chinese Journal of Geochemistry 16(1), 43-52.
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Plzeň Region
        • Domažlice (Taus)
          • Otov
    Masau, M., Staněk, J., Černý, P., Chapman, R. (2000). Metasomatic wolfeite and associated phosphates from the Otov I granitic pegmatite, western Bohemia. J. Czech Geol. Soc. 45, 159-173.
    • Moravia (Mähren; Maehren)
      • Vysočina Region
        • Velké Meziříčí
    Novák, M., Staněk, J.: Lepidolitový pegmatit od Dobré Vody u Velkého Meziříčí, západní Morava. Acta Musei Moraviae, Scientiae geologicae, 1999, roč. 84, s. 3 - 44.
        • Žďár nad Sázavou
    Novák, M.: Amblygonit a produkty jeho přeměny v Li pegmatitu z Rožné. Minerál, 2001, roč. 9, č. 5, s. 326-327
    Democratic Republic of Congo (Zaïre)
     
    • Sud-Kivu
      • Lusungu River District
    Finland
     
    • Etelä-Suomen Lääni
      • Orivesi
        • Eräjärvi area
    No reference listed
    • Länsi-Suomen Lääni
      • Kemiö (Kimito) Island
    GFF (1899) 21, 639-640
      • Vaasa
        • Kuortane
    H-J Wilke (1976) Mineralfundstellen, Band 4, Skandinavien
    France
     
    • Auvergne
      • Allier
        • Ébreuil
          • Échassières
    G. Aubert : "Les coupoles granitiques de Montebras et d'Echassières (Massif Central Français) et la genèse de leur minéralisations (BRGM, 1969)
    de ROSEN, A. (1966): Évolution continue d\'un massif granitique et succession minérale: le massif des Colettes (Échassières, Allier). Deuxième partie: filons, altérations et minéralisations. – Bull. Minéral. Franç. Minéral. Cristallogr., 89, 155-176.
    • Limousin
      • Creuse
        • Boussac
          • Montebras-en-Soumans
    C.R.Acad.Sci.Paris,(1872) 73, 306; Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 826.
    Japan
     
    • Honshu Island
      • Kanto Region
        • Ibaraki Prefecture
          • Hitachiohta City
    Sakurai et al (1977) Ganseki-Koubutsu-Koshogaku Zasshi, 72, 13-27.
    • Kyushu Island
      • Fukuoka Prefecture
    www.petrovrareminerals.com/articles02.html
    Kazakhstan
     
    • Shyghys Qazaqstan Oblysy (Vostochno-Kazakhstanskaya [Eastern-Kazakhstan] Oblast')
      • Kalba Range
    Pavel M. Kartashov data
    Mozambique
     
    • Zambezia Province
      • Alto Ligonha District
    No reference listed
    Namibia
     
    • Erongo Region
    Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 826.
      • Swakopmund District
        • Cape Cross area
    http://www.mineral.tu-freiberg.de/econgeology/lehre/namibia/snlipegm/snlipegm_2_4.html
    Pakistan
     
    • Northern Areas
      • Baltistan
        • Skardu District
          • Braldu Valley
    Dudley Blauwet, Bill Smith and Carol Smith (2004) Table of mineral localities of the northern areas of Pakistan and other selected sites. (in "Pakistan: Minerals, Mountains & Majesty", Lapis International, East Hampton, Connecticut); Dudley Blauwet, Bill Smith and Carol Smith (2004) Table of mineral localities of the northern areas of Pakistan and other selected sites. (in "Pakistan: Minerals, Mountains & Majesty", Lapis International, East Hampton, Connecticut)
    Portugal
     
    • Vila Real District
      • Barroso-Alvão pegmatite field
    Novák, M. et al. (2009): Ferronigerite with dominant substitution TiSn-1 in muscovite+chlorite aggregate from massive quartz nodule associated with a petalite-rich aplite-pegmatite of the Barroso-Alvão pegmatite field, Northern Portugal. N. Jb. Mineral. Abh. 186, 67-78.
    Russia
     
    • Eastern-Siberian Region
      • Saha Republic (Sakha Republic; Yakutia)
        • Verkhoyansk
          • Yana River Basin
            • Yana-Adycha Region
              • Arga-Ynnakh-Khai granite Massif
    Pavel M. Kartashov data
    • Northern Region
      • Murmanskaja Oblast'
        • Kola Peninsula
          • Voron'i Tundry
    P.M. Kartashov data
    Rwanda
     
    • Western Province
      • Gatumba District
    F. Hatert, P. Lefèvre, A.M. Fransolet, M.R. Spirlet, F. Fontan, P. Keller : "Ferrorosemaryite, []NaFe2+Fe3+Al(PO4)3, a new phosphate mineral from the Rubindi pegmatite, Rwanda", Bull. Liaison S.F.M.C., Vol. 16, 2004, pp 44-45.
    Spain
     
    • Castile and Leon
      • Salamanca
        • Barquilla Sn-Ge-Cd-Cu-Fe Deposit
    American Mineralogist 89:110-125 (2004)
      • Zamora
    American Mineralogist: 90: 1887-1899.
    • Catalonia
      • Girona (Gerona)
        • Alt Empordà
          • Cadaqués
    Bareche, E. (2005) "Els minerals de Catalunya. Segle XX" Ed. Museu Mollfulleda de Mineralogia - Grup Mineralògic Català, 269 p.
    • Extremadura
      • Cáceres
        • Cáceres
    Weibel, M. (1955): Contributions to Mineralogy and Petrology 4, 379-411.
    Weibel, M. (1955): Contributions to Mineralogy and Petrology 4, 379-411.
        • Logrosán
    Weibel, M. (1955): Contributions to Mineralogy and Petrology 4, 379-411.
    • Galicia
      • Pontevedra
        • Forcarei
    Fuertes-Fuente, M., Martin-Izard, A., Boiron, M.C., and Mangas, J. (2000): Mineralium Deposita 35, 332-345.
        • Lalín
    Fuertes-Fuente, M., Martin-Izard, A., Boiron, M.C., and Mangas, J. (2000): Mineralium Deposita 35, 332-345.
    Sweden
     
    • Södermanland
      • Stockholm
        • Haninge
    No reference listed
    • Västerbotten
      • Skellefteå
    Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 826.
    UK
     
    • England
      • Devon
        • Okehampton area (Northern Dartmoor)
    von Knorring, O. and Condliffe, E. 1984 On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine, 48, 443-448.; Andy Tindle microprobe analysis
    USA
     
    • Arizona
      • Maricopa Co.
        • White Picacho District
          • San Domingo Wash
    Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 20 (Table A-1).
    Jahns, R.H. (1952), Pegmatite deposits of the White Picacho District, Maricopa and Yavapai Cos., AZ, AZ Bur. Mines Bull. 162: 80-83; Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 303.
      • Yavapai Co.
    AmMin 67: 97-113 (1982)
          • Independence Gulch
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 303; Jahns, R.H. (1952), AZ Bur. Mines Bull. 162: 104-105.
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 303; Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 22 (Table A-1).
    Jahns, R.H. (1952), AZ Bur. Mines Bull. 162: 103; Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 303; Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 21 (Table A-1).
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 303.
    Jahns, R.H. (1952), AZ Bur. Mines Bull. 162: 87-90; Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 22 (Table A-1).
    Jahns, Richard H. (1952), AZ Bur. of Mines Bull. 162: 86-87; Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 23 (Table A-1).
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 303.
    • California
      • San Diego Co.
        • Mesa Grande District
          • Gem Hill
    Michael W. Kieron collection
    • Colorado
      • Fremont Co.
        • Eight Mile Park pegmatite District
    "Minerals of Colorado, updated & revised", p. 15, by Eckel, Edwin B., 1997
      • Gunnison Co.
        • Quartz Creek District
    Minerals of Colorado (1997) E.B. Eckels
    • Connecticut
      • Middlesex Co.
        • Portland
          • Collins Hill
    Weber &Sullivan, 1995. "Connecticut Mineral Locality Index" in Rocks & Minerals Vol 70. No. 6.
    Rocks & Min.: 70:403
    • Maine
      • Androscoggin Co.
        • Auburn
          • Mt. Apatite District
    No reference listed
    No reference listed
    No reference listed
    No reference listed
        • Poland
    No reference listed
      • Cumberland Co.
        • Baldwin
    No reference listed
      • Franklin Co.
        • Township D
    No reference listed
      • Knox Co.
        • Warren
    No reference listed
      • Oxford Co.
        • Buckfield
    King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1, King, V. (ed.), 2000, Mineralogy of Maine, V. 2.
    King, V. and Foord, E., 1994, 2000, Mineralogy of Maine, V. 1., V.2
    No reference listed
        • Greenwood
    Maine Pegmatite Workshop 2004
    No reference listed
    No reference listed
          • Uncle Tom Mt
    No reference listed
        • Newry
    King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed.), 2000, Mineralogy of Maine, V. 2.
    King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed.), 2000, Mineralogy of Maine, V. 2, with updates by Van King
    King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed), 2000, Mineralogy of Maine, V. 2.
    King, V. and Foord, E., 1994, Mineralogy of Maine, v. 1; King, V, 2006, Minerals of Halls Ridge and Plumbago-Puzzle Mountain, Newry, Oxford County, Maine, Mineral News, v. 22 (6), p. 1-3.
    King, V. and Foord, E., 1994, Mineralogy of Maine.
    King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed), 2000, Mineralogy of Maine, V. 2
    King, V. and Foord, E., 1994, Mineralogy of Maine, v. 1; King, V, 2006, Minerals of Halls Ridge and Plumbago-Puzzle Mountain, Newry, Oxford County, Maine, Mineral News, v. 22 (6), p. 1-3.
        • Paris
        • Peru
        • Rumford
    No reference listed
    No reference listed
        • Stoneham
    No reference listed
    Thompson et al., 1998, A Collector's Guide to Maine Mineral Localities
    • Massachusetts
      • Worcester Co.
        • Leominster
    Harvard Mineralogical Museum, no. 95038
    • New Hampshire
      • Cheshire Co.
        • Walpole
    Morrill, P., 1960, New Hampshire Mines and Mineral Localities.
      • Grafton Co.
        • Groton
    No reference listed
    Journal of Pegmatology vol. 1, no. 1
      • Strafford Co.
        • Strafford
          • Parker Mt
    No reference listed
      • Sullivan Co.
        • Newport
    No reference listed
    • New Mexico
      • Eddy Co.
    Minerals of New Mexico 3rd ed.
    • North Carolina
      • Cleveland Co.
        • Kings Mountain District
    To many to list here. If interested, we can e-mail them to you.
    • South Dakota
      • Custer Co.
        • Custer District
          • Berne
    R&M 75:3 pp 156-169
          • Custer
    R&M 75:3 pp 156-169
          • Fourmile
    Rocks & Minerals: 60: 117-118.
    Mineralogical Record: 17: 237-254; Rocks & Minerals: 60: 117.
      • Pennington Co.
        • Keystone District
          • Keystone
    Rocks & Min.:10:147 & 60:112,116.
    Rocks & Min.:60:110,112 & 116.
    R&M 75:3 pp 156-169; Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 32 (Table A-1).
    Mineral and/or Locality
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