Switch currency

Scorodite & Pharmacosiderite

Views:
Watches:
SER1079831

Description Tabs

Description
Locality: 
Hemerdon Bal Open Working, Plympton, Devon, United Kingdom
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.1 × 7.1 × 4.1 cm
Description

a truly wonderful specimen featuring two vugs filled with blue scorodite clusters and orange  cubes of pharmacosiderite ; a classic in a large size

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