Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Calcite & Chalcedony

Views:
Watches:
MGR615787

Calcite & Chalcedony

Description Tabs

Description
Locality: 
Hüttenberg, Sankt Veit an der Glan District, Carinthia, Austria
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.3 × 4.9 × 3.4 cm
Description

A vog of calcite crystals of first generation became coated by blue, satiny-lustrous chalcedony. Finally a second generation of light beige calcite crystals framed the whole specimen. Developed as floater (backside completely covered with calcite), no significant damages to report.

Mineral Data
What's on the rock

Calcite

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