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Bournonite Chalcopyrite & Rhodochrosite

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WND860689

Bournonite Chalcopyrite & Rhodochrosite

Classic Locality

Description Tabs

Description
Locality: 
Cassandra Mines, Aristotelis, Chalkidiki, Central Macedonia, Greece
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.7 × 3.9 × 3.4 cm
Description

This is a fine and also typical association of well developed, metallic Bournonite, tompac coloured tetrahedral Chalcopyrite and light pink  Rodochrosite as indistinct bladed crystals. The Bournonite itself is sharp edged and mostly well terminated with a fine striation on its surface. A fine classic Greek specimen, not perfect but anyway superb.

Mineral Data
What's on the rock

Bournonite

Formula: 
PbCuSbS3
Strunz: 
2.GA.50
Hardness: 
2.5 - 3.0
Type Locality: 
Wheal Boys (Trewetha Mine; Old Trewetha Mine), Port Isaac, St Endellion, Wadebridge District, Cornwall, England, UK

Chalcopyrite

Formula: 
CuFeS2
Strunz: 
2.CB.10a
Crystal System: 
Tetragonal
Hardness: 
3.5 - 4.0

Rhodochrosite

Formula: 
MnCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.0
Streak: 
White
Type Locality: 
Cavnic Mine (Kapnikbánya), Cavnic (Kapnic; Kapnik), Maramureș Co., Romania
Wendel Minerals

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