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Jennite

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DPH48553

Jennite

Description Tabs

Description
Locality: 
Zeilberg Quarry, Maroldsweisach, Bavaria, Germany
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 4 × 3 cm
Description

Interesting sample of two rare silicates: afwillite and jennite. This specimen comes from the famous Zeilberg quarry, Maroldsweisach, which showed a lot of rare silicates over the years.

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