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Barylite

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Bratthagen 1 road cut pegmatites (Bratthagen), Lågendalen, Hedrum, Larvik, Vestfold, Norway
© Knut Eldjarn

Show Barylite Photos (19)
Formula:
BaBe
 
2
[Si
 
2
O
 
7
]
System:OrthorhombicColour:bluish white, colourless
Hardness:7
This page provides mineralogical data about Barylite.

Classification of Barylite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:8/C.02-80
Nickel-Strunz 10th (pending) edition ID:9.BB.15

9 : SILICATES (Germanates)
B : Sorosilicates
B : Si2O7 groups, without non-tetrahedral anions; cations in tetrahedral [4] and greater coordination
Dana 8th edition ID:55.1.1.1

55 : SOROSILICATES Si2O7 Groups,Generally with no Additional Anions
1 : Si2O7 Groups, Generally with no Additional Anions with cations in [4] and higher coordination
Hey's CIM Ref.:14.3.11

14 : Silicates not Containing Aluminum
3 : Silicates of Be
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Type Occurrence of Barylite

Type Locality:Långban, Filipstad, Värmland, Sweden
Year of Discovery:1876

Physical Properties of Barylite

Colour:bluish white, colourless
Streak:white
Hardness (Mohs):7
Cleavage:Perfect

Crystallography of Barylite

Crystal System:Orthorhombic
Cell Parameters:a = 9.82Å, b = 11.67Å, c = 4.69Å
Ratio:a:b:c = 0.841 : 1 : 0.402
Unit Cell Volume:V 537.47 ų (Calculated from Unit Cell)

Optical Data of Barylite

Type:Biaxial (-)
RI values: nα = 1.690 nβ = 1.690 - 1.700 nγ = 1.700
2V:Measured: 40°
Maximum Birefringence:δ = 0.010

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:High
Dispersion:weak to moderate

Chemical Properties of Barylite

Formula:
BaBe
 
2
[Si
 
2
O
 
7
]
Essential elements:Ba, Be, O, Si
All elements listed in formula:Ba, Be, O, Si
Common Impurities:Al,Fe,Zn,Pb,Mg,Ca

Relationship of Barylite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
9.BB.10Åkermanite
Ca
 
2
Mg[Si
 
2
O
 
7
]
9.BB.10Cebollite
Ca
 
5
Al
 
2
Si
 
3
O
 
12
(OH)
 
4
 or near
9.BB.10Gehlenite
Ca
 
2
Al[AlSiO
 
7
]
9.BB.10Gugiaite
Ca
 
2
Be[Si
 
2
O
 
7
]
9.BB.10Hardystonite
Ca
 
2
Zn[Si
 
2
O
 
7
]
9.BB.10Jeffreyite
(Ca,Na)
 
2
(Be,Al)[Si
 
2
O
 
6
(O,OH)]
9.BB.10Okayamalite
Ca
 
2
B[BSiO
 
7
]
9.BB.15Clinobarylite
BaBe
 
2
Si
 
2
O
 
7
9.BB.20Andrémeyerite
BaFe
2+
2
[Si
 
2
O
 
7
]
Related Minerals - Hey's Index Grouping:

- +
14.3.1Phenakite
Be
 
2
[SiO
 
4
]
14.3.2Bertrandite
Be
 
4
[(OH)
 
2
|Si
 
2
O
 
7
]
14.3.3Beryllite
Be
 
3
[(OH)
 
2
|SiO
 
4
] · H
 
2
O
14.3.4Liberite
Li
 
2
Be[SiO
 
4
]
14.3.5Chkalovite
Na
 
2
BeSi
 
2
O
 
6
14.3.6Eudidymite
Na
 
2
Be
 
2
Si
 
6
O
 
15
·H
 
2
O
14.3.7Epididymite
Na
 
2
Be
 
2
Si
 
6
O
 
15
·H
 
2
O
14.3.8Gugiaite
Ca
 
2
Be[Si
 
2
O
 
7
]
14.3.9Jeffreyite
(Ca,Na)
 
2
(Be,Al)[Si
 
2
O
 
6
(O,OH)]
14.3.10Semenovite-(Ce)
(Na,Ca)
 
9
Fe
2+
 
(Ce,La)
 
2
[(Si,Be)
 
5
(O,OH,F)
 
12
]
 
4
14.3.12Hingganite-(Ce)
Ce
 
2
□Be
 
2
Si
 
2
O
 
8
(OH)
 
2
14.3.13Hingganite-(Yb)
(Yb,Y)Be[OH|SiO
 
4
]
14.3.14Hingganite-(Y)
(Y,Yb,Er)Be[OH|SiO
 
4
]
14.3.15Minasgeraisite-(Y)
Y
 
2
CaBe
 
2
[O|SiO
 
4
]
 
2
14.3.16Sørensenite
Na
 
4
SnBe
 
2
Si
 
6
O
 
16
(OH)
 
4
14.3.17Trimerite
CaMn
2+
2
Be
 
3
[SiO
 
4
]
 
3
14.3.18Chiavennite
CaMnBe
 
2
Si
 
5
O
 
13
(OH)
 
2
·2H
 
2
O
14.3.19Tvedalite
(Ca,Mn)
 
4
Be
 
3
Si
 
6
O
 
17
(OH)
 
4
·3H
 
2
O
14.3.20Harstigite
Ca
 
6
(Mn,Mg)Be
 
4
Si
 
6
(O,OH)
 
24
14.3.21Sverigeite
NaMnMgSnBe
 
2
Si
 
3
O
 
12
(OH)
14.3.22Joesmithite
[(Ca,Pb)][(Ca,Pb)
 
2
][(Mg,Fe
2+
 
)
 
5
][(OH)
 
2
|BeSi
 
7
O
 
22
]
14.3.23Gadolinite-(Y)
Y
 
2
Fe
2+
 
Be
 
2
[O|SiO
 
4
]
 
2
14.3.24Gadolinite-(Ce)
(Ce,La,Nd,Y)
 
2
Fe
2+
 
Be
 
2
[O|SiO
 
4
]
 
2
14.3.25Calciogadolinite
(Y,Ca)
 
2
(Fe,Fe)Be
 
2
Si
 
2
(O,OH)
 
10

Other Names for Barylite

Other Languages:
German:Barylith
Russian:Барилит
Spanish:Barylita

Other Information

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 Barylite

Reference List:Blomstrand, C.W. (1876): Barylit, ett nytt mineral från Långban. Geol. Fören. Stockholm Förh. 3: 128

Weibull, M. (1900): Om barylit och cordierit. Geol. Fören. Stockholm Förh. 22: 33-36

Aminoff, G. (1923): Om en assosiation med barylit och hedyfan från Långban. Geol. Fören. Stockholm Förh. 45: 14-139

Palache, Ch. & Bauer, L. H. (1930): On the occurrence of Beryllium in the Zinc Deposits of Franklin, New Jersey. American Mineralogist 15: 30-33

Ygberg, E. R. (1941): On the structure of Barylite. Geol. Fören. Stockholm Förh. 63: 394-404

Zabin, A.G. & Kazakova, M.E. (1960): Barylite (BaBe2Si2O7) from Visjnjevye Gory - first find in USSR. Dokl. Akad. Nauk. SSSR 134: 419-421

Heinrich, E. Vm. & Deane, R.W. (1962): An occurrence of Barylite near Seal Lake, Labrador. American Mineralogist 47: 758-763

Nickel, E.H. & Charette, D.Z. (1962): Additional data on Barylite from Seal Lake, Labrador. American Mineralogist 47: 764-768.

Sæbø, P. (1966): Contribution to the mineralogy of Norway no.35. The first occurrences of the rare mineral Barylite, Be2BaSi2O7, in Norway. Norsk Geologisk Tidsskrift 46: 335-348

Robinson, P. D. and Fang, J. H. (1977): Barylite, BaBe2Si2O7: its space group and crystal structure. Am. Mineral. 62: 167-169.

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    Localities for Barylite

    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.
    Canada
     
    • Newfoundland and Labrador
      • Labrador
    • Ontario
      • Thunder Bay District
        • Marathon
    		Potter & Mitchel (2005)
    • Québec
      • Rouville Co.
        • Mont Saint-Hilaire
    		Horváth, L and Gault, R.A. (1990), The mineralogy of Mont Saint-Hilaire Quebec. Mineralogical Record: 21: 284-359.
    Greenland
     
    • Kitaa (West Greenland) Province
      • Narsaq
        • Igaliku (Igaliko)
          • Narssârssuk (Narsarsuk)
        • Ilimaussaq complex
    		C. Lemanski, Jr. (re-entry lost Mindat data).
    Kazakhstan
     
    • Semipalatinsk Oblysy (Semipalatinsk [Semipalatinskaya] Oblast')
      • Tarbagatai Range
    		P.M. Kartashov data
    Malawi
     
    • Zomba District
    		Lapis 2003(1), 18-21
    Norway
     
    • Telemark
      • Porsgrunn
        • Langangen
          • Rønningen
    		Engvoldsen,T.,Andersen, F.,Berge, S.A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18(1),15-71
        • Mørje
          • Sagåsen (Strandåsen)
    		Engvoldsen,T.,Andersen, F.,Berge, S.A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18(1),15-71
    • Vestfold
      • Larvik
        • Hedrum
          • Lågendalen
    		Sæbø, P.(1966)."Contribution to the mineralogy of Norway no.35. The first occurences of the rare mineral barylite, Be2BaSi2O7, in Norway". Norsk Geologisk Tidsskrift 46, 335-348
        • Langesundsfjorden
    		Sæbø, P.(1966)."Contribution to the mineralogy of Norway no.35. The first occurences of the rare mineral barylite, Be2BaSi2O7, in Norway". Norsk Geologisk Tidsskrift 46, 335-348
      • Tjøme
        • Hvasser
    Russia
     
    • Northern Region
      • Murmanskaja Oblast'
        • Kola Peninsula
          • Khibiny Massif
    		[World of Stones 95:5-6, p64]
            • Kukisvumchorr Mt
    		[World of Stones 95:5-6, p64]
    CanMin 40:1177-1184
              • Hackman Valley
    		P.M. Kartashov data
    Sweden
     
    • Värmland
      • Filipstad
    		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: 902; Kjell Gatedal; Geologiska Föeningens I Stockholm. Förhandlinger, Stockholm (1876) 3, 128; Nysten, P., Holtstam, D. and Jonsson, E. (1999) The Långban minerals. In Långban - The mines,their minerals, geology and explorers (D. Holtstam and J. Langhof, eds.), Swedish Museum of Natural History and Raster Förlag, Stockholm & Chr. Weise Verlag, Munich, pp. 89-183.
        • Pajsberg
    		Kjell Gatedal
    Ukraine
     
    • Donets'k Oblast' (Donetsk Oblast')
    		Vlasov, K.A., Min. of Rare Elements, Vol II:87-89 (1966).
    USA
     
    • Colorado
      • El Paso Co.
    		MinRec 16:217-230
    Seaman, 1976. Pegmatite Minerals of the World
      • Teller Co.
    		Minerals of Colorado (1997) Eckels, E. B.
    • New Jersey
      • Sussex Co.
        • Franklin Mining District
          • Franklin
    		Palache(1935):92; Gaines, R.V. & Bostwick, R.C.: The Picking Table:34(2):22-31 (1993); Dunn(1995):Pt3:407.
    Mineral and/or Locality
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