Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Thorikosite & Heliophyllite

Views:
Watches:
ESM559285

Thorikosite & Heliophyllite

Type Locality

Description Tabs

Description
Locality: 
Lavrion District Mines, Attiki Prefecture, Greece
Class: 
Combination
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.3 × 3.8 × 2.5 cm
Description

Yellow elongated thorikosite crystals and beige coloured spheres of heliophyllite (dimorph of ecdemite)

Mineral Data
What's on the rock

Thorikosite

Formula: 
Pb3Cl2(OH)(SbO3,AsO3)
Strunz: 
3.DC.40
Hardness: 
3.0
Type Locality: 
Thorikos Bay slag locality, Thorikos area, Lavrion District slag localities, Lavrion District (Laurion; Laurium), Attikí Prefecture (Attica; Attika), Greece

Heliophyllite

Formula: 
Pb6As2O7Cl4
Strunz: 
3/D.10-110
Crystal System: 
Orthorhombic
Hardness: 
2
Type Locality: 
Långban, Filipstad, Värmland, Sweden
Dimorph Of: 

Ecdemite

Formula: 
Pb6Cl4(As2O7)
Strunz: 
3.DC.65
Hardness: 
2.5 - 3.0