| |
 |
Voloshinite Mineral Data
|
|
|
General Voloshinite Information
|
 Chemical Formula: |
Rb(LiAl1.5[ ]0.5)(Al0.5Si3.5)O10F2 |
| 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 |
| Empirical Formula: |
RbLiAl1.5Al0.5Si3.5O10F2 |
| Environment: |
Rb analog of lepidolite. |
| IMA Status: |
Proposed IMA 2007 |
| Locality: |
Mt. Vasin-Myl�k, Voron�i Tundry, Kola Peninsula, Russia Link to MinDat.org Location Data. |
| Name Origin: |
Commission on New Minerals, Nomenclature and Classification (CNMNC) |
| Synonym: |
IMA2007-052 |
| |
Voloshinite Image |
|
Images:
|
|
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
|
| Axial Ratios: |
a:b:c =0.5751:1:2.2603 |
| Cell Dimensions: |
a = 5.191, b = 9.025, c = 20.4, beta = 95.37° V = 951.52 |
| Crystal System: |
Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/c |
| 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
|
| Optical Data: |
|
| |
Calculated Properties of Voloshinite
|
| Fermion Index: |
Fermion Index = 0.01
Boson Index = 0.99 |
| Photoelectric: |
PEVoloshinite = 20.51 barns/electron
U=PEVoloshinite x relectron= . barns/cc.
|
| 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
|
| 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 |
| 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
|
| 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
Search for Voloshinite using:
[AOL]
[Bing]
[Dog Pile]
[GeoScienceWorld]
[HotBot]
[Ixquick]
[Lycos]
[MAMMA]
[Scirus]
[Teoma]
[WebCrawler]
[Wikipedia]
[YAHOO]
Visit our Advertisers for Voloshinite :
Ask about Voloshinite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in
Espa�ol
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:
|
|
| |
| |
|
| |
Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.