Mineralogy Database

Voloshinite Mineral Data

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General Voloshinite Information

Help on Chemical  Formula: Chemical Formula: Rb(LiAl1.5[ ]0.5)(Al0.5Si3.5)O10F2
Help on Composition: Composition: Molecular Weight = 442.66 gm
   Rubidium  19.31 %  Rb   21.11 % Rb2O
   Lithium    1.57 %  Li    3.38 % Li2O
   Aluminum  12.19 %  Al   23.03 % Al2O3
   Silicon   22.21 %  Si   47.51 % SiO2
   Oxygen    36.14 %  O
   Fluorine   8.58 %  F     8.58 % F
               -   %   F    -3.61 % -O=F2    
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: RbLiAl1.5Al0.5Si3.5O10F2
Help on Environment: Environment: Rb analog of lepidolite.
Help on IMA Status: IMA Status: Proposed IMA 2007
Help on Locality: Locality: Mt. Vasin-Myl�k, Voron�i Tundry, Kola Peninsula, Russia Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Commission on New Minerals, Nomenclature and Classification (CNMNC)
Help on Synonym: Synonym: IMA2007-052
 

Voloshinite Image

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  Voloshinite

Comments: Lower BSE image shows irregular voloshinite grain (center 1) surrounded by albite (ALB), trilithionite (T), and pollucite (P).
Location: Vasin-yl'k Mt., Voroni Tundry, Kola Peninsula, Russia. Scale: See Images.
© Diederik Visser

Voloshinite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.5751:1:2.2603
Help on Cell Dimensions: Cell Dimensions: a = 5.191, b = 9.025, c = 20.4, beta = 95.37° V = 951.52
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.575(1), 4.55(0.8), 3.35(0.6),10.1(0.6), 2.017(0.5), 3.49(0.5), 3.98(0.4), 5.08(0.4),
 

Optical Properties of Voloshinite

Help on Optical Data: Optical Data:
 

Calculated Properties of Voloshinite

Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEVoloshinite = 20.51 barns/electron
U=PEVoloshinite x relectron= . barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 7,883.65 (Gamma Ray American Petroleum Institute Units)
Concentration of Voloshinite per GRapi unit = 126.84 (PPM)

Voloshinite is Radioactive as defined in 49 CFR 173.403. Greater than 70 Bq / gram.

Estimated Radioactivity from Voloshinite - mild
Specimen
Size
Weight/Volume
(Sphere)
*
Calculated
Activity
Bequerols
(Bq)
Calculated
Activity
Curies (Ci)
Estimated
Activity
GR(api)
Estimated
Exposure
(mRem**)/hr
If Held in Hand
For One Hour
1000 gm 172,032 4.65E-06 7,883.65 2.59
100 gm 17,203 4.65E-07 788.37 0.26
10 gm 1,720 4.65E-08 78.84 0.03
1 gm 172 4.65E-09 7.88 0.00
0.1 gm 17 4.65E-10 0.79 0.00
0.01 gm 2 4.65E-11 0.08 0.00
0.001 gm 0 4.65E-12 0.01 0.00

Weight of pure Voloshinite in grams (gm).*
Goverment Estimate of Average Annual Exposure ( 360 mRem) **
Note: 10 microsieverts/hr = 1 mRem/hr **
Max Permissable Adult Dose 50,000 mRem/yr (hands), 15,000 mRem/yr (eyes)
Lethal Dose LD(50) Exposure 400,000 to 500,000 mRem
 

Voloshinite Classification

Help on  Dana Class: Dana Class: 71.00.00.00 (71)Phyllosilicate Minerals
  (71.00)Without Dana Classification Numbers
  (71.00.00)Silicate, Unclassified
 
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
Help on  Strunz Class: Strunz Class: 09.BX.00 09 - SILICATES (Germanates)
  09.B - Unclassified Strunz Phyllosilicates
  09.BX -Silicate, Unclassified
 
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 Voloshinite Information

Help on See Also: See Also: Links to other databases for Voloshinite :
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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Print or Cut-and-Paste your Voloshinite Specimen Label here :

Voloshinite

Rb(LiAl1.5[ ]0.5)(Al0.5Si3.5)O10F2
Dana No: 71.00.00.00 Strunz No: 09.BX.00
Locality:

 

Notes:

 

 
   
 


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