Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Malachite Aurichalcite & Goethite Psm Gypsum

Views:
Watches:
CLB626126

Malachite Aurichalcite & Goethite Psm Gypsum

Classic Locality

Description Tabs

Description
Locality: 
Lavrion District Mines, Attiki Prefecture, Greece
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.5 × 5.4 × 2.3 cm
Description

Bright green balls of acicular malachite with a few blueish aurichalcite 'needles' on glossy black goethite, partly replacing gypsum.

Mineral Data
What's on the rock

Malachite

Formula: 
Cu2(CO3)(OH)2
Strunz: 
5.BA.10
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0

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

Goethite

Formula: 
α-Fe3+O(OH)
Strunz: 
4.00.
Crystal System: 
Orthorhombic
Hardness: 
5.0 - 5.5
Type Locality: 
Hollertszug Mine (Hollerter Zug Mine), Dermbach, Herdorf, Siegerland, Rhineland-Palatinate, Germany

Gypsum

Formula: 
CaSO4·2H2O
Strunz: 
7.CD.40
Hardness: 
2.0
Streak: 
White.

Seller Information

Payment options: offline, paypal_wpp, paypal_wps