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Plumbogummite

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BMM1110581

Description Tabs

Description
Locality: 
Yangshuo Mine, Yangshuo County, Guilin, Guangxi, China (Peoples Republic)
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 3.3 × 2.8 cm
Description

An exceptional specimen of sky-blue-green plumbogummite, occurring as a pseudomorph after pyromorphite. The plumbogummite crystals are beautifully distributed over a limonite crust, giving the specimen a balanced, uncrowded, and visually appealing appearance.

Mineral Data
What's on the rock

Plumbogummite

Formula: 
PbAl3(PO4)2(OH)5·H2O
Strunz: 
8.BL.10
Hardness: 
4.0 - 5.0
Type Locality: 
Huelgoat (Locmaria-Berrien), Finistère, Brittany, France