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Waylandite & Petitjeanite

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JYJ603293

Waylandite & Petitjeanite

Description Tabs

Description
Locality: 
Roter Berg, Schneeberg, Erzgebirge, Saxony, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.8 × 1 cm
Description

Well developed bluish waylandite and minor petitjeanite on  matrix. 

Mineral Data
What's on the rock

Waylandite

Formula: 
BiAl3(PO4)2(OH)6
Strunz: 
8.BL.13
Hardness: 
4.0 - 5.0
Colour: 
White
Type Locality: 
Wampewo Hill, Busiiro Co. (Bushiro Co.), Wakiso District, Uganda

Petitjeanite

Formula: 
Bi3(PO4)2O(OH)
Strunz: 
8.BO.10
Crystal System: 
Triclinic
Hardness: 
4.5
Type Locality: 
Bergweg, Gadernheim, Lautertal (Odenwald), Odenwald, Hesse, Germany