IMA2002-050 Mineral Data

IMA2002-050 Mineral Data

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General IMA2002-050 Information

Chemical Formula:

Ca4AlSi(SO4)F13·12(H2O)

Composition:

Molecular Weight = 774.61 gm

Calcium 20.70 % Ca 28.96 % CaO

Aluminum 3.48 % Al 6.58 % Al₂O₃

Silicon 3.63 % Si 7.76 % SiO₂

Hydrogen 3.12 % H 27.91 % H₂O

Sulfur 4.14 % S 10.34 % SO₃

Oxygen 33.05 % O

Fluorine 31.88 % F 31.88 % F

- % F -13.43 % -O=F₂

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Ca₄AlSi(SO₄)F₁₃·12(H₂O)

Environment:

Related to chukhrovite-(Ce)

IMA Status:

Proposed IMA 2002 (Dana # Added)

Locality:

Link to MinDat.org Location Data.

Name Origin:

Commission on New Minerals and Mineral Names (CNMMN)

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IMA2002-050 Crystallography

Cell Dimensions:

a = 16.722, Z = 10; V = 4,675.89 Den(Calc)= 2.75

Crystal System:

Isometric - DiploidalH-M Symbol (2/m 3) Space Group: F d3

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 9.63(1), 5.91(0.46), 2.178(0.33),3.219(0.32), 2.235(0.28), 5.04(0.27), 4.17(0.19),

Physical Properties of IMA2002-050

Color:

White, Yellowish white.

Diaphaniety:

Transparent

Luster:

Vitreous (Glassy)

Optical Properties of IMA2002-050

Gladstone-Dale:

CI calc= 0.285 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1564,KC= 0.2187

Optical Data:

Isotropic, n=1.43.

Calculated Properties of IMA2002-050

Electron Density:

r_electron=2.78 gm/cc
note: r_IMA2002-050=2.75 gm/cc.

Fermion Index

Fermion Index = 0.00244
Boson Index = 0.99756

Photoelectric:

PE_IMA2002-050= 3.24 barns/electron
U=PE_IMA2002-050 x r_electron= 9.01 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

IMA2002-050 is Not Radioactive

IMA2002-050 Classification

Dana Class:

12.1.5.3 (12)Compound Halides

(12.1)with miscellaneous anions

(12.1.5)Dana Group

12.1.5.1 Chukhrovite-(Y) Ca3(Y,Ce)Al2(SO4)F13·10(H2O) F d3 2/m 3

12.1.5.2 Chukhrovite-(Ce) Ca3(Ce,Y)Al2(SO4)F13·10(H2O) F d3 2/m 3

12.1.5.3 IMA2002-050 ! Ca4AlSi(SO4)F13·12(H2O) F d3 2/m 3

12.1.5.4 Chukhrovite-(Nd)! Ca3(Nd,Y)Al2(SO4)F13·12(H2O) F d3 2/m 3

Strunz Class:

III/X.00-00 III - Halogenides

III/X - Unclassified Strunz Halogenides

III/X.00 - Sulfate, Hydrated Halide

Other IMA2002-050 Information

See Also:

Links to other databases for IMA2002-050 :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 -Google Images 4 -Google Scholar 5 -MinDAT 6 -MinMax(Deutsch) 7 -MinMax(English) 8 -Mineralienatlas (Deutsch)

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Translate IMA2002-050 Mineral Data :

Ask about IMA2002-050 here :
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Print or Cut-and-Paste your IMA2002-050 Specimen Label here :

IMA2002-050

Ca4AlSi(SO4)F13·12(H2O)
Dana No: 12.1.5.3 Strunz No: III/X.00-00
Locality:

Notes: