Boldyrevite Mineral Data

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General Boldyrevite Information

Chemical Formula:

NaCaMgAl3F14•4(H2O)

Composition:

Molecular Weight = 506.36 gm

Sodium 4.54 % Na 6.12 % Na₂O

Calcium 7.91 % Ca 11.07 % CaO

Magnesium 4.80 % Mg 7.96 % MgO

Aluminum 15.99 % Al 30.20 % Al₂O₃

Hydrogen 1.59 % H 14.23 % H₂O

Oxygen 12.64 % O

Fluorine 52.53 % F 52.53 % F

- % F -22.12 % -O=F₂

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

NaCaMgAl₃F₁₄•4(H₂O)

Environment:

Impure ralstonite or gearksutite.

IMA Status:

Discredited IMA 1966 - Valid Species (Pre-IMA) 1946

Locality:

Bilyukai crater, Kamchatka Oblast, Russia. Link to MinDat.org Location Data.

Name Origin:

Named for A. K. Boldyrev, Russian mineralogist.

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Boldyrevite Crystallography

Crystal System:

Amorphous- No Crystals

Physical Properties of Boldyrevite

Color:

Colorless, White.

Diaphaneity:

Transparent to Translucent

Luster:

Vitreous (Glassy)

Streak:

light white

Calculated Properties of Boldyrevite

Fermion Index:

Fermion Index = 0.0049698886
Boson Index = 0.9950301114

Photoelectric:

PE_Boldyrevite= 1.93 barns/electron
U=PE_Boldyrevite x rElectron Density= . barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Boldyrevite is Not Radioactive

Boldyrevite Classification

Dana Class:

09.00.00.00 (09)Halide Minerals

(09.00)Without Dana Classification Numbers

(09.00.00)Fluoride, Hydrated

09.00.00.00 Boldyrevite? NaCaMgAl3F14•4(H2O) None

09.00.00.00 IMA2008-032 CuCl2•2NH3 C mcm 2/m 2/m 2/m

09.00.00.00 IMA2008-039 (NH4)3PbCl5 P nma 2/m 2/m 2/m

09.00.00.00 Yttrocerite* CaF2(Y,Ce)F3 Unk Cubic

Strunz Class:

03.CF.10 03 - HALIDES

03.C - Complex Halides

03.CF -Tekto-aluminofluorides

03.CF.10 Boldyrevite? NaCaMgAl3F14•4(H2O) None

Other Boldyrevite Information

References:

NAME( AmMin, v36:641) PHYS. PROP.(Enc. of Minerals,1st ed.,1974)

See Also:

Links to other databases for Boldyrevite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - MinDAT
8 - MinMax(Deutsch)
9 - MinMax(English)
10 - Mineralienatlas (Deutsch)
11 - QUT Mineral Atlas
12 - Ruff.Info

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Print or Cut-and-Paste your Boldyrevite Specimen Label here :

Boldyrevite

NaCaMgAl3F14•4(H2O)
Dana No: 09.00.00.00 Strunz No: 03.CF.10
Locality:

Notes: