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Portlandite

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CHP828199

Portlandite

Classic Locality

Description Tabs

Description
Locality: 
Lapanouse-de-Sévérac, Aveyron, Occitanie, France
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.2 × 2.9 × 1 cm
Description

specimen with some beautiful tabular exagonal crystals of portlandite on matrix.

c. 995

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

Seller Information

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