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Plumbogummite Psm Pyromorphite

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TWH547832

Plumbogummite Psm Pyromorphite

Classic Locality

Description Tabs

Description
Locality: 
Yangshuo Mine, Yangshuo County, Guilin, Guangxi, China (Peoples Republic)
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 3.7 × 3.7 cm
Largest Crystal: 
2.20cm
Description

famous locality for plumbogummite replacing pyromorphite and creating skeletal crystallization too. Some are only partially replaced and tip of the cluster reveals green pyromorphite. The backside fully consists of pyromorphite crystals.

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

Pyromorphite

Formula: 
Pb5(PO4)3Cl
Strunz: 
8.BN.05
Crystal System: 
Hexagonal
Hardness: 
3.5 - 4.0
Streak: 
White
Type Locality: 
Zschopau, Erzgebirge, Saxony, Germany
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