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Pyromorphite & Plumbogummite

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MGR821320

Pyromorphite & Plumbogummite

Description Tabs

Description
Locality: 
Laohu, Gongcheng County, Guilin, Guangxi, China (Peoples Republic)
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.3 × 2.5 × 2.4 cm
Description

Intense yellow pyromorphite crystals attractively set blue-cyan plumbogummite matrix. Great contrast and very aesthetic assemble. All crystals well terminated and undamaged. Looks great in variuous positions!

Mineral Data
What's on the rock

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

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