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Ettringite

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SKY925159

Ettringite

Classic Locality

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Description
Locality: 
N'Chwanning Mine, Kuruman, South Africa
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 2.3 × 1.5 cm
Description

Outstanding yellow crystals of ettringite on a contrasting matrix from the famous N'Chwaning mine in Southafrica.

Ex Vandenbroucke Museum collection from Waregem, Belgium.

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

Current price

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32
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Start 05 Aug 18:00
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