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Portlandite & Grossular

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SHS137783

Portlandite & Grossular

Description Tabs

Description
Locality: 
Bellerberg, Ettringen, Eifel Mountains, Rhineland-Palatinate, Germany
Size Range: 
Thumbnail (1-3cm)
Size: 
1.6 × 1.5 × 1.2 cm
Description

Portlandite and grossular in matrix

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

Grossular

Formula: 
Ca3Al2(SiO4)3
Strunz: 
9.AD.25
Hardness: 
6.5 - 7.0
Type Locality: 
Akhtaragda River mouth (Achtaragda River mouth), Vilyui River Basin (Vilui River Basin; Wilui River Basin), Sakha Republic (Saha Republic; Yakutia), Eastern-Siberian Region, Russia