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Phosphosiderite & Crandallite

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CLB612610

Phosphosiderite & Crandallite

Classic Locality

Description Tabs

Description
Locality: 
Paton Hill, Tierra Amarilla, Copiapó Province, Atacama Region, Chile
Class: 
Combination
Size Range: 
Cabinet (10-18 cm)
Size: 
16 × 6.7 × 1 cm
Description

Cut and polished slice of massive, lavender colored phosphosiderite with beige-brown crandallite. This material is offered since a few years as beads and pearls. The exact locality was a mystery for a long time. The natural color is more pinkish purple, blueish under certain artificial light. The crandallite is very pastel ochre colored.

Mineral Data
What's on the rock

Phosphosiderite

Formula: 
FePO4·2H2O
Strunz: 
8.CD.05
Hardness: 
3.5 - 4.0
Type Locality: 
Kalterborn Mine, Eiserfeld, Siegerland, North Rhine-Westphalia, Germany

Crandallite

Formula: 
CaAl3(PO4)2(OH)5·H2O
Strunz: 
8.BL.10
Crystal System: 
Trigonal
Hardness: 
5.0
Streak: 
White
Type Locality: 
Brooklyn Mine, Silver City, Tintic District, East Tintic Mts, Juab Co., Utah, USA

Seller Information

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