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Pharmacosiderite & Karibibite

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SER788276

Pharmacosiderite & Karibibite

Description Tabs

Description
Locality: 
Oumlil Mine, Oumlil, Zagora Province, Drâa-Tafilalet Region, Morocco
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.1 × 2.5 × 1.6 cm
Description

oil green pseudocubic pharmacosiderite with some orange tufts of karibibite

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

Karibibite

Formula: 
Fe2As4O9
Strunz: 
4.JA.15
Hardness: 
0.0
Type Locality: 
Karibib District, Erongo Region, Namibia