Schachnerite Mineral Data

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General Schachnerite Information

Chemical Formula:

Ag1.1Hg0.9

Composition:

Molecular Weight = 299.19 gm

Silver 39.66 % Ag

Mercury 60.34 % Hg

______

100.00 %

Empirical Formula:

Ag_1.1Hg_0.9

Environment:

Found in the oxidation zone, formed by the alteration of moschellandsbergite.

IMA Status:

Approved IMA 1972

Locality:

Vertrauen auf Gott mine, Obermoschel, Rheinland-Pfalz, Germany. Link to MinDat.org Location Data.

Name Origin:

Named for Doris Schachner (1904-1989), German mineralogist.

Name Pronunciation:

Schachnerite + Pronunciation

Synonym:

ICSD 40357

PDF 27-618

Schachnerite Image

Images:

Schachnerite

Comments: Schachnerite tarnishing silvery metallic.
Location: Sala, Vastmanland, Sweden. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Schachnerite Crystallography

Axial Ratios:

a:c = 1:1.62592

Cell Dimensions:

a = 2.978, c = 4.842, Z = 1; V = 37.19 Den(Calc)= 13.36

Crystal System:

Hexagonal - Dihexagonal DipyramidalH-M Symbol (6/m 2/m 2/m) Space Group: P 6₃/mmc

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

By Intensity(I/I_o): 2.273(1), 0.8595(0.6), 2.42(0.5),

Physical Properties of Schachnerite

Cleavage:

{???} Indistinct

Color:

Silver gray.

Diaphaneity:

Opaque

Hardness:

2-3 - Gypsum-Calcite

Luster:

Metallic

Streak:

metallic

Optical Properties of Schachnerite

RL Anisotrophism:

Very weak.

RL Color:

Gray.

Calculated Properties of Schachnerite

Electron Density:

Bulk Density (Electron Density)=11.0 gm/cc
note: Specific Gravity of Schachnerite =13.4 gm/cc.

Fermion Index:

Fermion Index = 0.18
Boson Index = 0.82

Photoelectric:

PE_Schachnerite=1,142.12 barns/electron
U=PE_Schachnerite x rElectron Density=12617.63 barns/cc.

Radioactivity:

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

Schachnerite Classification

Dana Class:

01.01.08.02 (01)Native Elements

(01.01)with metallic elements other than the platinum group

(01.01.08)Silver Amalgam Alloys

01.01.08.00 Amalgam* Ag2Hg3 Unk Cubic

01.01.08.01 Moschellandsbergite Ag2Hg3 I m3m 4/m 3 2/m

01.01.08.02 Schachnerite Ag1.1Hg0.9 P 6₃/mmc 6/m 2/m 2/m

01.01.08.03 Paraschachnerite Ag3Hg2 C mcm 2/m 2/m 2/m

01.01.08.04 Luanheite Ag3Hg P 6₃/mmc 6/m 2/m 2/m

01.01.08.05 Eugenite Ag9Hg2 I 43m 4 3m

01.01.08.06 Weishanite (Au,Ag)3Hg2 P 6₃/mmc 6/m 2/m 2/m

Strunz Class:

01.AD.15a 01 - ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)

01.A - Metals and Intermetallic Alloys

01.AD -Mercury-amalgam family

01.AD.15a Paraschachnerite Ag3Hg2 C mcm 2/m 2/m 2/m

01.AD.15a Schachnerite Ag1.1Hg0.9 P 6₃/mmc 6/m 2/m 2/m

Other Schachnerite Information

References:

NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)

See Also:

Links to other databases for Schachnerite :
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 - MinDAT
10 - Mineralienatlas (Deutsch)
11 - Online Mineral Museum
12 - QUT Mineral Atlas
13 - Ruff.Info

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Ask about Schachnerite here :
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Print or Cut-and-Paste your Schachnerite Specimen Label here :

Schachnerite

Ag1.1Hg0.9
Dana No: 01.01.08.02 Strunz No: 01.AD.15a
Locality:

Notes: