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Silver With Acanthite & Sphalerite

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Watches:
TBM1089354

Description Tabs

Description
Locality: 
Masaloni Mine, San Vito, Sarrabus, South Sardinia Province, Sardinia, Italy
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 6 × 4.5 cm
Largest Crystal: 
1.00cm
Weight: 
94.00gr
Description

Exceptional dendrites of native Silver up to 10 mm with Acanthite crystals up to 2 mm and Sphalerite crystals up to 2 mm

Mineral Data
What's on the rock

Silver

Formula: 
Ag
Strunz: 
1.AA.05
Crystal System: 
Isometric
Hardness: 
2.5 - 3.0

Acanthite

Formula: 
Ag2S
Strunz: 
2.BA.35
Crystal System: 
Monoclinic - Prismatic
Hardness: 
2.0 - 2.5
Streak: 
lead grey
Type Locality: 
Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic

Sphalerite

Formula: 
ZnS
Strunz: 
2.CB.05a
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0