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Creedite & Doyleite

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JYJ970764

Creedite & Doyleite

Description Tabs

Description
Locality: 
Christiana Mine, Kamariza, Agios Konstantinos, Lavrion District, Attiki Prefecture, Greece
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2.7 × 1.4 cm
Description

White creedite with powdery white doyleite and bayerite from the Christiana mine, Attiki, Greece.

Rare mineral. 

 

Mineral Data
What's on the rock

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

Doyleite

Formula: 
Al(OH)3
Strunz: 
4.FE.10
Crystal System: 
Triclinic
Hardness: 
2.5 - 3.0
Type Locality: 
Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada