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Bournonite Rhodochrosite Pyrite Quartz & Manganoan Calcite

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AST1055487

Bournonite Rhodochrosite Pyrite Quartz & Manganoan Calcite

Classic Locality

Description Tabs

Description
Locality: 
Madem-Lakko Mine, Cassandra Mines, Aristotelis, Chalkidiki, Central Macedonia, Greece
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 4.5 × 2.5 cm
Description

Fine iridescent bournonite crystals with pyrite, manganoan calcite and quartz crystals on rhodochrosite matrix. Old and classic specimen from the upper levels of the mine that now are sealed and cemented. 

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

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

Pyrite

Formula: 
FeS2
Strunz: 
2.EB.05a
Crystal System: 
Isometric
Hardness: 
6.0 - 6.5

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

Manganoan Calcite

Variety Of: 

Calcite

Formula: 
CaCO3
Strunz: 
5.AB.05
Hardness: 
3.0
Formula: 
(Ca,Mn)CO3
Hardness: 
0.0

Current price

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Start 25 Jun 18:00
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Shipping Information

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13
Rest of world
15

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