mineral specimens
rare minerals
mineral dealer
systematic minerals
Black Hills minerals
fine minerals
mineral dealer
Dana minerals
IMA minerals
mineral collections
rock and minerals
gem crystal
0 item @ $0.00  

Argyrodite

#38424

Argyrodite

#38424
Availability
Sold
Size
Capsule 
Formula
Ag8GeS6 (RRUFF)
Locality
Himmelsfurst mine, Freiberg dist., Saxony, Germany
Tagged
sulfide , silver

A 2mm spherical crystal cluster composed of several compact grey, pseudoctahedral crystals attached to other sufides. The Georg Gehard tag indicated this is a cotype, or a specimen from the type specimen at the Freiberg Museum. I have a few more of these, if you miss this one, let me know.

Type Locality, Cotype

Argyrodite

Formula
Ag8GeS6 
Crystal System
Orthorhombic 
Crystal Habit
Subhedral Crystals, Massive - Granular 
Cleavage
None, None, None 
Luster
Metallic 
Color
black, steel gray 
Streak
grayish black 
Class
Orthorhombic - Pyramidal 
Fracture
Brittle - Conchoidal 
Hardness
2.5 

Data courtesy of Webmineral.

Special Info
Type Locality
Special Info
Cotype

All photos by Dakota Matrix and are Copyrighted © and may not be used without permission. Copyright © 2019 - Dakota Matrix Minerals, Inc. Privacy | Terms & Conditions | Site Map