Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Ettringite

Views:
Watches:
CR663831

Ettringite

Description Tabs

Description
Locality: 
Kuruman, Kalahari, Northern Cape Province, South Africa
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 3.5 × 3 cm
Description

Beautiful gemmy yellow-green ettringite crystals on matrix.

Mineral Data
What's on the rock

Ettringite

Formula: 
Ca6Al2(SO4)3(OH)12·26H2O
Strunz: 
7.DG.15
Hardness: 
2.0 - 2.5
Type Locality: 
Ettringer Feld, Western lava flow, Bellerberg volcano, Ettringen, Mayen, Eifel, Rhineland-Palatinate, Germany