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Jennite & Ettringite

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SHS62989

Jennite & Ettringite

Description Tabs

Description
Locality: 
Bellerberg, Ettringen, Eifel Mountains, Rhineland-Palatinate, Germany
Size Range: 
Thumbnail (1-3cm)
Size: 
1 × 0.8 × 0.8 cm
Description

Jennite crystals and small ettringite on matrix

Mineral Data
What's on the rock

Jennite

Formula: 
Ca9(Si3O9)2(OH)8·8H2O
Strunz: 
9.DG.20
Hardness: 
3.5
Colour: 
White
Type Locality: 
Crestmore quarries, Crestmore, Riverside Co., California, USA

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