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Portlandite

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CAM130359

Portlandite

Description Tabs

Description
Locality: 
Caspar Quarry, Bellerberg, Ettringen, Eifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 5.5 × 3.6 cm
Largest Crystal: 
1.00cm
Description

White tabular crystals of portlandite up to 1 cm on matrix associated with lots of small acicular ettringite crystals.
An uncommon large specimen for the species and locality.

Mineral Data
What's on the rock

Portlandite

Formula: 
Ca(OH)2
Strunz: 
4.FE.05
Hardness: 
2.5 - 3.0
Type Locality: 
Scawt Hill, Larne, Co. Antrim, Northern Ireland, UK
Cartils Minerals

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