| |
 |
Vergasovaite Mineral Data
|
|
|
General Vergasovaite Information
|
 Chemical Formula: |
Cu3O[(Mo,S)O4][SO4] |
| Composition: |
Molecular Weight = 443.69 gm |
| |
Zinc 1.47 % Zn 1.83 % ZnO |
| |
Copper 40.10 % Cu 50.20 % CuO |
| |
Molybdenum 17.30 % Mo 25.95 % MoO3 |
| |
Sulfur 8.67 % S 21.65 % SO3 |
| |
Oxygen 32.45 % O |
| |
______ ______ |
| |
100.00 % 99.64 % = TOTAL OXIDE |
| Empirical Formula: |
Cu2.8Zn0.1O(MoO4)0.8(SO4)1.2 |
| Environment: |
Found in a fumarole. |
| IMA Status: |
Approved IMA 1999 (Dana # Added) |
| Locality: |
North Breach of the Main Tolbachik fissure eruption, Kamchatka Peninsula, Russia. Link to MinDat.org Location Data. |
| Name Origin: |
Named after Lidiya Pavlovna Vergasova (b. 1941), of the Institute of Volcanology, Russian Academy of Sciences, Petropavlovsk, Russia, |
| Synonym: |
IMA1998-009 |
| |
Vergasovaite Image |
|
Images:
|
|
Vergasovaite
Comments: Green vergasovaite on matrix. Inset shows the sealed glass ampoule with the specimen inside to protect from deterioration.
Location: Northern Breakthrough, Tolbachik Volcano, Kamchatka, Russia.
Scale: Specimen Size 1.5x1.5 cm.
© Diederik Visser |
|
|
Images:
|
|
Alumoklyuchevskite Vergasovaite
Comments: Green blebs to prismatic or needle-like crystals of alumoklyuchevskite associated with orange vergasovaite, co-type material.
Location: Main fracture, N breakthrough, Tolbachik Volcano, Kamchatka Peninsula, Russia.
Scale: See Image.
© Rruff Database |
|
Vergasovaite Crystallography
|
| Axial Ratios: |
a:b:c =1.1007:1:2.0097 |
| Cell Dimensions: |
a = 7.42, b = 6.741, c = 13.548, Z = 4; V = 677.65 Den(Calc)= 4.35 |
| Crystal System: |
Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma |
| X Ray Diffraction: |
By Intensity(I/Io): 3.077(1)(104), 3.591(0.6)(020), 2.275(0.6)(124),2.5(0.6)(220), 2.542(0.6)(105,123), 3.342(0.6)(113), 3.391(0.6), |
| |
Physical Properties of Vergasovaite
|
| Cleavage: |
None |
| Color: |
Olive green. |
| Diaphaneity: |
Transparent |
| Fracture: |
Brittle - Uneven - Very brittle fracture producing uneven fragments. |
| Habit: |
Aggregates - Made of numerous individual crystals or clusters. |
| Habit: |
Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite) |
| Hardness: |
4-5 - Fluorite-Apatite |
| Luster: |
Vitreous (Glassy) |
| Streak: |
light yellow |
| |
Optical Properties of Vergasovaite
|
| Gladstone-Dale: |
CI calc= -0.131 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2126,KC= 0.1881
Ncalc = 1.82 |
| Optical Data: |
Biaxial (?), a=1.87, g=1.98, bire=0.1100 |
| RL Color: |
Gray with light green to colorless internal reflections. |
| |
Calculated Properties of Vergasovaite
|
| Electron Density: |
Bulk Density (Electron Density)=4.10 gm/cc
note: Specific Gravity of Vergasovaite =4.35 gm/cc.
|
| Fermion Index: |
Fermion Index = 0.04
Boson Index = 0.96 |
| Photoelectric: |
PEVergasovaite = 47.30 barns/electron
U=PEVergasovaite x rElectron Density= 193.85 barns/cc.
|
| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Vergasovaite is Not Radioactive |
| |
Vergasovaite Classification
|
| Dana Class: |
48.04.03.01 (48)Anhydrous Molybdates and Tungstates |
| |
(48.04)with miscellaneous formulae |
| |
(48.04.03)Vergasovaite Series |
| |
48.04.03.01 Vergasovaite! Cu3O[(Mo,S)O4][SO4] P nma 2/m 2/m 2/m |
| |
48.04.03.02 Schlegelite! Bi7O4(MoO4)2(AsO4)3 Pnca 2/m 2/m 2/m |
| Strunz Class: |
07.BB.30 07 - SULFATES (SELENATES, TELLURATES) |
| |
07.B - Sulfates (selenates, etc.) with Additional Anions, without H2O |
| |
07.BB -With medium-sized cations |
| |
07.BB.30 Vergasovaite! Cu3O[(Mo,S)O4][SO4] P nma 2/m 2/m 2/m |
| |
Other Vergasovaite Information
|
| References: |
NAME( CanMin, 8/99) PHYS. PROP.(AmMin, V85, p264) OPTIC PROP.(AmMin, V85, p264) |
| See Also: |
Links to other databases for Vergasovaite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - Handbook of Mineralogy (MinSocAm)
7 - Handbook of Mineralogy (UofA)
8 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info
Search for Vergasovaite using:
[AOL]
[Bing]
[Dog Pile]
[GeoScienceWorld]
[HotBot]
[Ixquick]
[Lycos]
[MAMMA]
[Scirus]
[Teoma]
[WebCrawler]
[Wikipedia]
[YAHOO]
Visit our Advertisers for Vergasovaite :
Ask about Vergasovaite 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
Espaņol
Print or Cut-and-Paste your Vergasovaite Specimen Label here :
|
Vergasovaite
Cu3O[(Mo,S)O4][SO4]
Dana No: 48.04.03.01 Strunz No: 07.BB.30
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.