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Calcite Quartz & Chalcedony

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MNR153538

Calcite Quartz & Chalcedony

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Description Tabs

Description
Locality: 
Slanec Quarry, Košice County, Košice Region, Slovakia (Slovak Republic)
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.1 × 3.3 × 1.1 cm
Description

Very aesthetic sample of yellow calcite crystals perched on quartz and blue chalcedony. Unique find from 2013. No more being found at the locality.

Mineral Data
What's on the rock

Calcite

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

Quartz

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

Chalcedony

Variety Of: 

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Hardness: 
7.0
Hardness: 
6.5 - 7.0
Streak: 
White
Type Locality: 
Kadıköy (Chalcedon), Istanbul Province, Marmara Region, Turkey