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Ettringite

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SHS158021

Ettringite

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Description
Locality: 
Milltown Quarry, Ashover, Derbyshire, United Kingdom
Size Range: 
Thumbnail (1-3cm)
Size: 
1.9 × 0.9 × 0.9 cm
Description

Ettringite on fluorite

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
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