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Scawtite & Plombièrite

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SKY737710

Scawtite & Plombièrite

Type Locality

Description Tabs

Description
Locality: 
Crestmore Quarries, Riverside County, California, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 2 × 1.5 cm
Description

Exceptional sample of scawtite with sharp, bladed platy colorless crystals sitting on a bed of radial plombierite needles.

Mineral Data
What's on the rock

Scawtite

Formula: 
Ca7(Si3O9)2CO3·2H2O
Strunz: 
9.CK.15
Hardness: 
4.0 - 5.0
Type Locality: 
Scawt Hill, Larne, Co. Antrim, Northern Ireland, UK

Plombièrite

Formula: 
[Ca4Si6O16(OH)2 · 2H2O]·(Ca·5H2O)
Group Parent: 
Tobermorite Group
Strunz: 
9.DG.08
Crystal System: 
Orthorhombic

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