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Chrysocolla & Smithsonite

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PFK777454

Chrysocolla & Smithsonite

Classic Locality

Description Tabs

Description
Locality: 
Sounion Mines, Lavrion, Attiki Prefecture, Greece
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.7 × 3 × 2.7 cm
Description

A very bizarre specimen, like a volcano, with its crater filled with blue chrysocolla. The the exterior is black due to gossan material but underneath it, there is a layer of light greenish smithsonite. The inside is hollow. Unique.

Mineral Data
What's on the rock

Chrysocolla

Formula: 
Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (x < 1)
Strunz: 
9.ED.20
Crystal System: 
Monoclinic
Hardness: 
2.5 - 3.5

Smithsonite

Formula: 
ZnCO3
Strunz: 
5.AB.05
Hardness: 
4.0 - 4.5
Streak: 
White

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