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Englishite

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BCK604718

Englishite

Rare Mineral

Description Tabs

Description
Locality: 
Tip Top Mine, Fourmile, Custer County, South Dakota, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.6 × 1.1 × 0.6 cm
Description

You are bidding on a small sample with the whole face covered in scaly white crystals and balls of rare englishite. Collected in 1976 by Steve and Janet Cares. 

Mineral Data
What's on the rock

Englishite

Formula: 
K3Na2Ca10Al15(PO4)21(OH)7·26H2O
Strunz: 
8.DH.55
Crystal System: 
Monoclinic
Hardness: 
3.0
Type Locality: 
Clay Canyon, Fairfield, Oquirrh Mts, Utah Co., Utah, USA

Seller Information

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