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Plumbogummite

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PCZ729888

Plumbogummite

Description Tabs

Description
Locality: 
Roughton Gill Mine, Roughton Gill, Caldbeck, Cumbria, United Kingdom
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.7 × 4.5 × 1.5 cm
Description

A good coverage of blue/grey plumbogummite. A less commonly offered species from this classic Cuitymbrian locality.

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
Peter Crozier Minerals