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Hephaistosite & Cotunnite

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SMM581678

Hephaistosite & Cotunnite

Rare Mineral from Type Locality
Analysed

Description Tabs

Description
Locality: 
La Fossa Crater, Vulcano Island, Messina Province, Sicily, Italy
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 2 × 1 cm
Description

A multitude of pale-yellow crystals, with their typical rounded complex shape of very rare hephaistosite, are scattered on the matrix. The sample comes from its outstanding, type locality, there are also nice, light brown, cotunnite sharp crystals, they are visible in the last three photos. The sample was analyzed by one of the authors.

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Mineral Data
What's on the rock

Hephaistosite

Formula: 
TlPb2Cl5
Strunz: 
3.AA.60
Hardness: 
0.0
Type Locality: 
La Fossa crater, Vulcano Island, Lipari, Eolie Islands (Aeolian Islands), Messina Province, Sicily, Italy

Cotunnite

Formula: 
PbCl2
Strunz: 
3.DC.85
Hardness: 
1.5 - 2.0
Type Locality: 
Mt Vesuvius, Somma-Vesuvius Complex, Naples Province, Campania, Italy

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