Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Acanthite Psm Polybasite & Native Silver

Views:
Watches:
PJM79369

Acanthite Psm Polybasite & Native Silver

Ex J & S Mommers Collection
With Antique Label

Description Tabs

Description
Locality: 
Valenciana Mine, Guanajuato, Guanajuato Municipality, Guanajuato, Mexico
Size Range: 
Thumbnail (1-3cm)
Size: 
1.7 × 1.4 × 1.5 cm
Description

A small but very nice and unusual pseudomorph specimen of polybasite .replaced by acanthite and an intergrown mass of minute native silver wiresOne for the silver and pseudomorph collector, also has an old green RW Barstow label. 

Mineral Data
What's on the rock

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

Polybasite

Formula: 
[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
Strunz: 
2.GB.15
Crystal System: 
Monoclinic - Prismatic
Hardness: 
2.5 - 3.0
Streak: 
black

Silver

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

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

All goods must be paid for prior to shipping, all bids are binding.