Avdoninite Mineral Data (original) (raw)

General Avdoninite Information

Help on Chemical Formula: Chemical Formula:

K2Cu5Cl8(OH)4•H2O

Help on Composition: Composition:

Molecular Weight = 765.55 gm

Potassium 10.01 % K 12.06 % K2O

Copper 41.50 % Cu 51.95 % CuO

Hydrogen 0.78 % H 6.98 % H2O

Chlorine 37.46 % Cl 37.46 % Cl

- % Cl -8.45 % -O=Cl2

Oxygen 10.24 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Help on Empirical Formula: Empirical Formula:

K1.96Cu5Cl8.09(OH)3.87•1.03(H2O)

Help on Environment: Environment:

Fumarole exhalation sediments.

Help on IMA Status: IMA Status:

Approved IMA 2005 (Dana # Added)

Help on Locality: Locality:

Yadovitaya fumarole in the Second Cinder Cone at the Northern Breach of the Great Fissure Tolbachik Eruption, Tolbachik volcano, Kamchatka Peninsula, Russia. Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

Named for Vladimir Nikolaevich Avdonin (b 1925), a senior researcher of the Ural Geological Museum of the Ural State Mining University.

Help on Synonym: Synonym:

IMA2005-046a

Avdoninite Image

Click Here for Larger Avdoninite Image in a New Browser Window Images:

Click Here for Larger Avdoninite Image Avdoninite Comments: Aggregates of green avdoninite crystals. Location: Blyava Cu Mine, Southern Urals, Russia.Scale: Specimen size 1.5 x 2 cm. © Diederik Visser

Avdoninite Crystallography

Help on Axial Ratios: Axial Ratios:

a:b:c =4.1408:1:1.9778

Help on Cell Dimensions: Cell Dimensions:

a = 24.34, b = 5.878, c = 11.626, Z = 4; beta = 86.7° V = 1,660.58 Den(Calc)= 3.06

Help on Crystal System: Crystal System:

Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 2/m or P 21/m

Help on X Ray Diffraction: X Ray Diffraction:

By Intensity(I/Io): 11.63(1), 5.8(0.27), 5.88(0.2),2.518(0.19), 2.321(0.17), 5.73(0.17), 3.052(0.15), 5.12(0.12),

Physical Properties of Avdoninite

Help on Color: Color:

Green.

Help on Density: Density:

3.03

Help on Diaphaneity: Diaphaneity:

Transparent

Help on Fracture: Fracture:

Brittle - Generally displayed by glasses and most non-metallic minerals.

Help on Habit: Habit:

Druse - Crystal growth in a cavity which results in numerous crystal tipped surfaces.

Help on Habit: Habit:

Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).

Help on Habit: Habit:

Tabular - Form dimensions are thin in one direction.

Help on Hardness: Hardness:

3 - Calcite

Help on Luster: Luster:

Vitreous (Glassy)

Help on Streak: Streak:

pale green

Optical Properties of Avdoninite

Help on Optical Data: Optical Data:

Biaxial (+/-), a=1.669, b=1.688, g=1.707, bire=0.0380

Calculated Properties of Avdoninite

Help on Electron Density: Electron Density:

Bulk Density (Electron Density)=2.92 gm/cc
note: Specific Gravity of Avdoninite =3.06 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0.0000623384
Boson Index = 0.9999376616

Help on Photoelectric: Photoelectric:

PEAvdoninite = 21.88 barns/electron
U=PEAvdoninite x relectron= 63.82 barns/cc.

Help on Radioactivity: Radioactivity:

GRapi = 137.68 (Gamma Ray American Petroleum Institute Units)
Concentration of Avdoninite per GRapi unit = 0.73 (%)

Estimated Radioactivity from Avdoninite - barely detectable

Avdoninite Classification

Help on Dana Class: Dana Class:

12.01.12.01 (12)Compound Halides

(12.01)with miscellaneous anions

(12.01.12)Dana Group

12.01.12.01 Avdoninite! K2Cu5Cl8(OH)4•H2O P 2/m or P 21/m 2/m

Help on Strunz Class: Strunz Class:

03.DA.55 03 - HALIDES

03.D - Oxyhalides, Hydroxyhalides and Related Double Halides

03.DA -With Cu, etc., without Pb

03.DA.55 Avdoninite! K2Cu5Cl8(OH)4•H2O P 2/m or P 21/m 2/m

Other Avdoninite Information

Help on References: References:

NAME( Geology of Ore Deposits, v49:505) PHYS. PROP.(Geology of Ore Deposits, v49:505) OPTIC PROP.(Geology of Ore Deposits, v49:505)

Help on See Also: See Also:

Links to other databases for Avdoninite :
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 Avdoninite Specimen Label here :

Avdoninite

K2Cu5Cl8(OH)4•H2O
Dana No: 12.01.12.01 Strunz No: 03.DA.55
Locality:

Notes: