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Pharmacosiderite

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CR723989

Pharmacosiderite

With Antique Label

Description Tabs

Description
Locality: 
Sommerkahl, Lower Franconia, Bavaria, Germany
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.8 × 4.2 × 3.8 cm
Description

Very rich specimen of brown pharmacosiderite cubes all over the specimen.

With two fantastic old labels.

Mineral Data
What's on the rock

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
Labels
Label Images - only: Pharmacosiderite
Label Images - only: Pharmacosiderite