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Montebrasite

Big Photo

Perry Petalite prospect, Peru, Oxford Co., Maine, USA
© Dick Dionne

Show Montebrasite Photos (19)
Formula:
LiAl[(OH,F)|PO
 
4
]
System:TriclinicColour:Brownish, pinkish, ...
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:Brownish, pinkish, yellowisy, gray, white, colorless
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:
Tourmaline GroupPollucitePetalitePolylithionite-Trilithionite SeriesApatite
TriphyliteLithiophiliteSpodumeneTopazCassiterite
Mica Group
Related Minerals - Nickel-Strunz Grouping):
8.BB.05Amblygonite
(Li,Na)Al[(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.10IMA2004-009
Mg
 
2
[PO
 
4
](OH)
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.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.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

German names:
Montebrasit
Russian names:
Монтебразит
Spanish names:
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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    Localities for Montebrasite

    Hide Locality List
    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.
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    (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
    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
          • 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
    • 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)
     
    • South Kivu
      • Lusungu River District
    Finland
     
    • Etelä-Suomen Lääni
      • Orivesi
        • Eräjärvi area
    		No reference listed
    France
     
    • Auvergne
      • Allier
        • Ebreuil
          • Echassières
    		G. Aubert : "Les coupoles granitiques de Montebras et d'Echassières (Massif Central Français) et la genèse de leur minéralisations (BRGM, 1969)
    • 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
    		Alfredo Petrov collection
    • Kyushu Island
      • Fukuoka Prefecture
    		www.petrovrareminerals.com/articles02.html
    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)
    Russia
     
    • Northern Region
      • Murmanskaja Oblast'
        • Kola Peninsula
          • Voron'i Tundry
    		P.M. Kartashov data
    Rwanda
     
    • Gisenyi 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.
    Sweden
     
    • Södermanland
      • 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
    		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
      • Fairfield 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.
      • Middlesex Co.
        • Portland
    		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
    		No reference listed
    No reference listed
    No reference listed
        • Greenwood
    		No reference listed
    Maine Pegmatite Workshop 2004
    No reference listed
    No reference listed
        • Newry
    		No reference listed
    King, V. T., 2006, Minerals of Halls Ridge and Plumbago-Puzzle Mountain, Newry, ... Maine, Mineral News, v. 22(6): p. 1-3.
    No reference listed
    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.
    No reference listed
    No reference listed
    No reference listed
        • Paris
        • Peru
        • Rumford
    		No reference listed
    No reference listed
        • Stoneham
    		No reference listed
    No reference listed
    • New Hampshire
      • Grafton Co.
        • Groton
    		No reference listed
    Journal of Pegmatology vol. 1, no. 1
      • Strafford Co.
        • Strafford
    		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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