Kolovratite Mineral Data

[Mineral Auctions] [Register] [Current Auctions] [Log In] [www.danweinrich.com]
Weinrich Minerals Auctions, Inc
Specializing In Live Weekly Auctions Of Top Quality Mineral Specimens
The Place To Find Great Specimens At Great Prices!

General Kolovratite Information

Chemical Formula:

Hydrous vanadate of Ni and Zn

Composition:

Molecular Weight = 196.67 gm

Vanadium 25.90 % V 46.24 % V₂O₅

Zinc 24.94 % Zn 31.04 % ZnO

Nickel 7.46 % Ni 9.49 % NiO

Hydrogen 1.03 % H 9.16 % H₂O

Oxygen 40.68 % O

______ ______

100.00 % 95.93 % = TOTAL OXIDE

Empirical Formula:

Zn_0.75Ni_0.25(VO₄)•(H₂O)

Environment:

In quartz schists and carbonaceous slates. An inadequately described mineral.

IMA Status:

Valid Species (Pre-IMA) 1922

Locality:

Kara-Chagyr and Uch-Kurgan, Ferghana, Turkestan. Link to MinDat.org Location Data.

Name Origin:

Named for Lev S. Kolovrat-Chervinsky (1884-1921), a Russian physicist.

Name Pronunciation:

Kolovratite + Pronunciation

Kolovratite Image

Images:

Kolovratite

Comments: Aqua-colored botryoidal crust of kolovratite.
Location: Mina Ojuela, Mapimi, Durango, Mexico. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kolovratite Crystallography

Crystal System:

MonoclinicSpace Group: ?

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

By Intensity(I/I_o): 3.88(1), 5.83(1), 11.6(1),

Physical Properties of Kolovratite

Cleavage:

{???} Indistinct

Color:

Greenish yellow, Yellow.

Diaphaneity:

Transparent

Fracture:

Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments.

Habit:

Botryoidal - "Grape-like" rounded forms (e.g.. malachite).

Habit:

Encrustations - Forms crust-like aggregates on matrix.

Habit:

Fibrous - Crystals made up of fibers.

Hardness:

2-3 - Gypsum-Calcite

Luster:

Vitreous (Glassy)

Streak:

light yellow

Optical Properties of Kolovratite

Optical Data:

Biaxial (?), b=1.577

Calculated Properties of Kolovratite

Fermion Index:

Fermion Index = 0.01
Boson Index = 0.99

Photoelectric:

PE_Kolovratite= 20.42 barns/electron
U=PE_Kolovratite x rElectron Density= . barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Kolovratite is Not Radioactive

Kolovratite Classification

Dana Class:

40.05.13.01 (40)Hydrated Phosphates, etc

(40.05)with miscellaneous formulae

(40.05.13)Dana Group

40.05.13.01 Kolovratite HydrousvanadateofNiandZn ? Mono

Strunz Class:

08.CB.50 08 - PHOSPHATES, ARSENATES, VANADATES

08.C - Phosphates without Additional Anions, with H2O

08.CB -With only medium-sized cations, RO4:H2O = 1:1

08.CB.50 Kolovratite HydrousvanadateofNiandZn ? Mono

Other Kolovratite Information

References:

NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Kolovratite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

Search for Kolovratite using:

[ALTAVISTA] [AOL] [bing] [GeoScienceWorld] [HotBot] [Ixquick] [MAMMA] [MSN.COM] [Netscape] [Scirus] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Kolovratite :

B & L Fine Minerals

Dan Weinrich Fine Minerals

Dan Weinrich Auctions

John Betts Fine Minerals

Lapis Mineral Journal

Mineral News

UV Tools

Wrights Rock Shop

Translate Kolovratite Mineral Data :

Ask about Kolovratite 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 Español

Print or Cut-and-Paste your Kolovratite Specimen Label here :

Kolovratite

Hydrous vanadate of Ni and Zn
Dana No: 40.05.13.01 Strunz No: 08.CB.50
Locality:

Notes: