Acanthite

Acanthite
Acanthite
15,00€
Formula: 
Ag2S
Crystal system: 
Monoclinic
Description: 
Small but very nice cluster of sharp and lustrous gray metallic crystals of Acanthite two of them showing hopper growth (12x8x7mm) (12x)
Location: 
Grande Mine, Fresnillo, Zacatecas
Country: 
Mexico
Continent: 
North America
Box format: 
30 x 30 x 28 mm