Orlovite Mineral Data

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General Orlovite Information

Chemical Formula:

KLi2TiSi4O11F

Composition:

Molecular Weight = 401.25 gm

Potassium 9.74 % K 11.74 % K₂O

Lithium 1.73 % Li 3.72 % Li₂O

Titanium 11.93 % Ti 19.91 % TiO₂

Silicon 28.00 % Si 59.90 % SiO₂

Oxygen 43.86 % O

Fluorine 4.73 % F 4.73 % F

- % F -1.99 % -O=F₂

______ ______

100.00 % 98.01 % = TOTAL OXIDE

Empirical Formula:

KLiTiSi₄O₁₁F

Environment:

Mica group

IMA Status:

Proposed IMA 2009

Locality:

Darai-Pioz glacier (39o 30' N 70o 40' E), Alai mountain range, Tien-Shan, Tajikistan Link to MinDat.org Location Data.

Name Origin:

Commission on New Minerals, Nomenclature and Classification (CNMNC)

Synonym:

IMA2009-006

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Orlovite Crystallography

Axial Ratios:

a:b:c =0.5733:1:1.1104

Cell Dimensions:

a = 5.199, b = 9.068, c = 10.07, beta = 99.35° V = 468.44

Crystal System:

Monoclinic - SphenoidalH-M Symbol (2) Space Group: C 2

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

By Intensity(I/I_o): 3.33(1), 4.48(0.67), 3.87(0.4),9.96(0.4), 2.86(0.35), 2.4(0.31), 2.57(0.3), 2.6(0.28),

Optical Properties of Orlovite

Optical Data:

Calculated Properties of Orlovite

Fermion Index:

Fermion Index = 0.03
Boson Index = 0.97

Photoelectric:

PE_Orlovite= 4.05 barns/electron
U=PE_Orlovite x r_electron= . barns/cc.

Radioactivity:

GRapi = 138.03 (Gamma Ray American Petroleum Institute Units)
Concentration of Orlovite per GRapi unit = 0.72 (%)

Estimated Radioactivity from Orlovite - barely detectable

Orlovite Classification

Dana Class:

71.00.00.00 (71)Phyllosilicate Minerals

(71.00)Without Dana Classification Numbers

(71.00.00)Mica Group

71.00.00.00 Bariumbannisterite* (K,H3O)(Ba,Ca)(Mn,Fe,Mg)21(Si,Al)32O80(O,OH)16•4-12(H2O) Mono

71.00.00.00 Ekmanite? (Fe,Mg,Mn,Fe)3(Si,Al)4O10(OH)2•2(H2O) Unk Ortho

71.00.00.00 Griffithite* 4(Mg,Fe,Ca)O.(Al,Fe)2O3.5SiO2•7(H2O) Mono

71.00.00.00 Orlovite KLi2TiSi4O11F C 2 2

71.00.00.00 Shlykovite KCa[Si4O9(OH)]•3H2O P 2₁/c 2/m

71.00.00.00 Spodiophyllite? (Na,K)4(Mg,Fe)3(Fe,Al)2(Si8O24) Mono

71.00.00.00 Voloshinite Rb(LiAl1.5[]0.5)(Al0.5Si3.5)O10F2 C 2/c 2/m

Strunz Class:

09.BX.00 09 - SILICATES (Germanates)

09.B - Unclassified Strunz Phyllosilicates

09.BX -Mica Group

09.BX.00 Spodiophyllite? (Na,K)4(Mg,Fe)3(Fe,Al)2(Si8O24) Mono

09.BX.00 Pimelite? Ni3Si4O10(OH)2•4(H2O) Unk. Hex

09.BX.00 Zinalsite Zn2AlSi2O5(OH)4•2(H2O)(?) Mono

09.BX.00 Voloshinite Rb(LiAl1.5[]0.5)(Al0.5Si3.5)O10F2 C 2/c 2/m

09.BX.00 Shlykovite KCa[Si4O9(OH)]•3H2O P 2₁/c 2/m

09.BX.00 Orlovite KLi2TiSi4O11F C 2 2

09.BX.00 IMA2009-011 Ba3Na(Fe,Mn)8Ti4(Si2O7)4O4(OH,F)7 C1 1

Other Orlovite Information

See Also:

Links to other databases for Orlovite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

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

Orlovite

KLi2TiSi4O11F
Dana No: 71.00.00.00 Strunz No: 09.BX.00
Locality:

Notes: