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Turquoise & Crandallite

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PCZ629051

Turquoise & Crandallite

Description Tabs

Description
Locality: 
Fort Lismeenagh, Shanagolden, County Limerick, Irish Republic (Eire)
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.3 × 3 × 1.3 cm
Description

Beautiful free form turquoise on matrix with micro-crandellite from a rare Irish locality.

Mineral Data
What's on the rock

Turquoise

Formula: 
Cu(Al,Fe3+)6(PO4)4(OH)8·4H2O
Strunz: 
8.DD.15
Crystal System: 
Triclinic
Hardness: 
5.0 - 6.0

Crandallite

Formula: 
CaAl3(PO4)2(OH)5·H2O
Strunz: 
8.BL.10
Crystal System: 
Trigonal
Hardness: 
5.0
Streak: 
White
Type Locality: 
Brooklyn Mine, Silver City, Tintic District, East Tintic Mts, Juab Co., Utah, USA
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