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Pyromorphite With Psilomelane On Quartz

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PCZ709427

Pyromorphite With Psilomelane On Quartz

Description Tabs

Description
Locality: 
Roughton Gill Mine, Roughton Gill, Caldbeck, Cumbria, United Kingdom
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
10 × 8.3 × 2.5 cm
Description

A beautiful specimen with pistachio coloured pyromorphite showing great contrast with the underlying layer of black psilomelane. A sizable display piece from a Classic British locality.

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

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White
Peter Crozier Minerals