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Spangolite & Creedite

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SER757445

Spangolite & Creedite

Description Tabs

Description
Locality: 
Funtana Raminosa Mine, Gadoni, Nuore Province, Sardinia, Italy
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.4 × 3.5 × 2.2 cm
Description

several blue green spangolite crystals with and on colourless creedite on gossoan matrix

Mineral Data
What's on the rock

Spangolite

Formula: 
Cu6Al(SO4)(OH)12Cl·3H2O
Strunz: 
7.DD.15
Crystal System: 
Hexagonal
Hardness: 
3.0

Creedite

Formula: 
Ca3SO4Al2F8(OH)2·2H2O
Strunz: 
3.CG.15
Crystal System: 
Monoclinic
Hardness: 
4.0
Streak: 
white
Type Locality: 
Colorado Fluorspar Co. Mine, Wagon Wheel Gap, Mineral Co., Colorado, USA
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