Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Scorodite & Pharmacosiderite

Views:
Watches:
SYA783177

Scorodite & Pharmacosiderite

Bergakademie Freiberg - W. Maucher
With Antique Label

Description Tabs

Description
Locality: 
Hingston Down Quarry, Calstock, Cornwall, United Kingdom
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.5 × 4.5 × 3.5 cm
Weight: 
250.00gr
Description

Cavities in massive arsenopyrite/quartz lined with sharp clear scorodite and gemmy green pharmacosiderite crystals.

Beautifull historic specimen about 1905/10  -  with the original Bergakademie Freiberg label handwritten by W. Maucher.

Mineral Data
What's on the rock

Scorodite

Formula: 
Fe3+AsO4·2H2O
Strunz: 
8.CD.10
Crystal System: 
Orthorhombic
Hardness: 
3.5 - 4.0
Type Locality: 
Stamm Asser Mine, Graul, Langenberg, Schwarzenberg District, Erzgebirge, Saxony, Germany

Pharmacosiderite

Formula: 
KFe3+4(AsO4)3(OH)4·6-7H2O
Strunz: 
8.DK.10
Hardness: 
2.5
Streak: 
white
Type Locality: 
Carharrack Mine, St Day United Mines (Poldice Mines), Gwennap, Camborne - Redruth - St Day District, Cornwall, England, UK

Seller Information

Payment options: offline, paypal_wpp, paypal_wps