Kolymite Mineral Data

Kolymite Mineral Data +

General Kolymite Information

Chemical Formula:

Cu7Hg6

Composition:

Molecular Weight = 1,648.36 gm

Copper 26.99 % Cu

Mercury 73.01 % Hg

______

100.00 %

Empirical Formula:

Cu₇Hg₆

Environment:

Found in the heavy mineral concentrates intergrown with copper aggregates. Dimorph of belendorffite.

IMA Status:

Approved IMA 1980

Locality:

Krokhalin antimony deposit, Kolyma River, Russia. Link to MinDat.org Location Data.

Name Origin:

Named for the locality.

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Kolymite Crystallography

Cell Dimensions:

a = 9.418, Z = 4; V = 835.36 Den(Calc)= 13.11

Crystal System:

Isometric - HextetrahedralH-M Symbol (4 3m) Space Group: I 43m

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

By Intensity(I/I_o): 2.22(1), 2.52(0.42), 2.98(0.25),

Physical Properties of Kolymite

Color:

Brownish black, Black, Tin white.

Density:

Diaphaniety:

Opaque

Fracture:

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

Habit:

Microscopic Crystals - Crystals visible only with microscopes.

Habit:

Tarnishes - Freshly fractured surfaces form a surface oxidation film

Hardness:

4 - Fluorite

Luster:

Metallic

Optical Properties of Kolymite

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Kolymite in Air**
λ	R	∑ R(λ)
420 nm	59.00
440 nm	61.40
460 nm	63.80
480 nm	66.80
500 nm	69.40
520 nm	71.20
540 nm	71.20
560 nm	72.80
580 nm	73.60
600 nm	74.00
620 nm	74.60
640 nm	75.30
660 nm	76.00
680 nm	76.90
700 nm	77.80

**Calculated Relative Intensity Colors of Kolymite in Air**
Relative Intensity	0%	20%	40%	60%	80%	100%	120%	140%
R

Calculated Properties of Kolymite

Electron Density:

r_electron=10.9 gm/cc
note: r_Kolymite=13.1 gm/cc.

Fermion Index

Fermion Index = 0.2205
Boson Index = 0.7795

Photoelectric:

PE_Kolymite=1,260.72 barns/electron
U=PE_Kolymite x r_electron=13696.79 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Kolymite is Not Radioactive

Kolymite Classification

Dana Class:

1.1.9.1 (1)Native Elements

(1.1)with metallic elements other than the platinum group

(1.1.9)Copper Amalgam Alloys

1.1.9.1 Kolymite Cu7Hg6 I 43m 4 3m

1.1.9.2 Belendorffite Cu7Hg6 R 3m 3m

Strunz Class:

I/A.02-20 I - Elements

I/A - Metallic and intermetallic compounds, Carbides, Nitrides, Phosphides and Silicides

I/A.02 - Mercury and Amalgame series

I/A.02-10 Mercury Hg R 3m 3 2/m

I/A.02-20 Kolymite Cu7Hg6 I 43m 4 3m

I/A.02-22 Belendorffite Cu7Hg6 R 3m 3m

I/A.02-28 Eugenite Ag9Hg2 I 43m 4 3m

I/A.02-30 Moschellandsbergite Ag2Hg3 I m3m 4/m 3 2/m

I/A.02-40 Luanheite Ag3Hg P 6₃/mmc 6/m 2/m 2/m

I/A.02-50 Schachnerite Ag1.1Hg0.9 P 6₃/mmc 6/m 2/m 2/m

I/A.02-60 Paraschachnerite Ag3Hg2 C mcm 2/m 2/m 2/m

I/A.02-70 Goldamalgam* (Au,Ag)Hg I m3m 4/m 3 2/m

I/A.02-80 Weishanite (Au,Ag)3Hg2 P 6₃/mmc 6/m 2/m 2/m

I/A.02-90 Potarite PdHg P 4/mmm 4/m 2/m 2/m

I/A.02-100 Leadamalgam HgPb2 I 4/mmm 4/m 2/m 2/m

Other Kolymite Information

References:

NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(AntBidBlaNic1)

See Also:

Links to other databases for Kolymite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -MinDAT 7 -MinMax(Deutsch) 8 -MinMax(English) 9 -Mineralienatlas (Deutsch) 10 -QUT Mineral Atlas 11 -École des Mines de Paris

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

Kolymite

Cu7Hg6
Dana No: 1.1.9.1 Strunz No: I/A.02-20
Locality:

Notes: