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Kamarizaite & Pharmacosiderite

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CR67474

Kamarizaite & Pharmacosiderite

Rare Mineral
Type Locality

Description Tabs

Description
Locality: 
Kamariza Mines, Agios Konstantinos, Lavrion District, Attiki Prefecture, Greece
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.8 × 3.3 × 2 cm
Description

Beigebrown masses of kamarizaite with hundreds of gemmy, yellow pharmacosiderite cubes all over the surface of the limonitic matrix.

Mineral Data
What's on the rock

Kamarizaite

Formula: 
Fe3+3(AsO4)2(OH)3·3H2O
Hardness: 
0.0
Type Locality: 
Kamariza Mines (Kamareza Mines), Agios Konstantinos [St Constantine] (Kamariza), Lavrion District Mines, Lavrion District (Laurion; Laurium), Attikí Prefecture (Attica; Attika), Greece

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