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  

Acanthite with Polybasite, amethyst, Quartz, Calcite, Sphalerite & Pyrite

#BN51681

Acanthite with Polybasite, amethyst, Quartz, Calcite, Sphalerite & Pyrite

#BN51681
Availability
Sold
Size
8 x 4.5 x 2 cm - Sm Cabinet 
Formula
Ag2S (RRUFF)
Locality
Hidalgo del Parral, Chihuahua, Mexico
Tagged
sulfide , silver

This is a fascinating specimen and has a lot of really good micro crystals of Polybasite and Acanthite. But amongst the Quartz crystals is also some green Sphalerite, Chalcopyrite and Pyrite. There are two nice crystals of Calcite to 1.5cm and some of the Quartz is amethyst.

Acanthite

Formula
Ag2
Crystal System
Monoclinic 
Crystal Habit
Blocky, Skeletal, Arborescent 
Cleavage
poor to none 
Luster
Metallic 
Color
lead gray, gray, iron black 
Streak
shining black 
Class
Monoclinic - Prismatic 
Fracture
Sectile 
Hardness
2-2.5 

Data courtesy of Webmineral.

Collection
Dr. Buford Nichols Collection
Mineralpedia
View Acanthite
On Dakota Matrix
Previously Sold Acanthite
On Dakota Matrix
Other Available Acanthite
WebMineral
View Acanthite
Mindat
View Acanthite

Related Products

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