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Prehnite & Copper

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WEB531455

Prehnite & Copper

Classic Locality

Description Tabs

Description
Locality: 
Osceola Mine, Osceola, Houghton County, Michigan, United States of America
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 3 × 2 cm
Largest Crystal: 
0.20cm
Weight: 
100.00gr
Description

This is a pretty specimen of prehnite with copper crystals

Mineral Data
What's on the rock

Prehnite

Formula: 
Ca2Al2Si3O10(OH)2
Strunz: 
9.DP.20
Hardness: 
6.0 - 6.5
Streak: 
White
Type Locality: 
Karoo dolerites, Cradock, Chris Hani District, Eastern Cape Province, South Africa

Copper

Formula: 
Cu
Strunz: 
1.AA.05
Crystal System: 
Isometric
Hardness: 
2.5 - 3.0
Webminerals s.a.s