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Chalcedony With Calcite

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RHT765244

Chalcedony With Calcite

Classic Locality

Description Tabs

Description
Locality: 
Saint Catherine's Monastery, Mount Sinai, South Sinai, Egypt
Class: 
Combination
Size Range: 
Cabinet (10-18 cm)
Size: 
11.8 × 8.5 × 7.2 cm
Weight: 
577.00gr
Description

A nice chalcedony (maybe flint?) vug, lined with pale honey-brown calcite crystals. From a well-known, but seldom offered historical locality.

Mineral Data
What's on the rock

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

Calcite

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