Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Chalcedony Psm Mottramite

Views:
Watches:
MGR660942

Chalcedony Psm Mottramite

Description Tabs

Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
6.3 × 7.4 × 4.6 cm
Description

The specimen shows a very tri-dimensional assemble. Motramite formed elongated pipes and is replaced by chalcedony.

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

Mottramite

Formula: 
PbCu(VO4)(OH)
Strunz: 
8.BH.40
Hardness: 
3.0 - 3.5
Type Locality: 
Mottram St Andrew, Cheshire, England, UK
Item Toolbox