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Plumbogummite

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CR509764

Plumbogummite

Description Tabs

Description
Locality: 
Yangshuo Mine, Yangshuo County, Guilin, Guangxi, China (Peoples Republic)
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.6 × 2.6 × 2 cm
Description

A cluster of vertically oriented, plumbogummite-replaced large to 3.5 cm in length exhibit hopper growth at the terminations and are colored a light sky blue.

The bases still have lustrous, olive green remnants of their original pyromorphite paragenesis. Superb miniature. From a pocket collected in November of 2014.

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