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Chrysocolla & Aurichalcite

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PFK576910

Chrysocolla & Aurichalcite

Classic Locality

Description Tabs

Description
Locality: 
Sounion Mines, Lavrion, Attiki Prefecture, Greece
Class: 
Massive/Crystalline
Size Range: 
Cabinet (10-18 cm)
Size: 
11.5 × 4.8 × 2 cm
Description

Here is an interesting specimen of mostly pale blue chrysocolla with some blue aurichalcite. The pale bluish to bluish material comes in layers and is not solely chrysocolla as each layer has a different composition. It is very likely that there are some rarities in there too!

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

Aurichalcite

Formula: 
(Zn,Cu)5(CO3)2(OH)6
Strunz: 
5.BA.15
Crystal System: 
Monoclinic - Prismatic
Hardness: 
1.0 - 2.0
Type Locality: 
Loktevskoye Mine (Loktevskii Mine), Upper Loktevka River, Rudnyi Altai, Altaiskii Krai, Western-Siberian Region, Russia

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