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Rhodochrosite Psm Calcite & Bournonite

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PFK747778

Rhodochrosite Psm Calcite & Bournonite

Classic Locality

Description Tabs

Description
Locality: 
Madem-Lakko Mine, Cassandra Mines, Aristotelis, Chalkidiki, Central Macedonia, Greece
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 5.3 × 3.6 cm
Description

This is a superb and classic pseudomorph from this classic and closed locality. A large rhomb of what used to be calcite has been replaced with pastel pink rhodochrosite. The rhomb is hollowed, not damaged, with fine luster both inside and outside. As a bonus, tiny little crystals of bournonite are perched on several areas on the specimen. From my personal collection and one of my pseudos!

Mineral Data
What's on the rock

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

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

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

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