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Doyleite

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JYJ773057

Doyleite

19-11-08-CL1 XRD & EDS confirmed

Description Tabs

Description
Locality: 
Clara Mine, Oberwolfach, Freiburg Region, Baden-Württemberg, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.9 × 1.3 × 1.5 cm
Description

Colourless distorted rhombs of doyleite on quartz. Minor prosopite present. XRD & EDS confirmed. Analysis attached. 

 

Mineral Data
What's on the rock

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