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Avogadrite & Malladrite

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BCK693596

Avogadrite & Malladrite

David Burgess Collection
Type Locality

Description Tabs

Description
Locality: 
Vesuvius Crater 1944, Ercolano, Napoli, Campania, Italy
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.4 × 4 × 0.9 cm
Description

You are bidding on a small miniature sample with a very rich botryoidal intergrowth of very rare halides avogadrite and malladrite from the type locality for both species. Very old specimen! David Burgess collection. 

Mineral Data
What's on the rock

Avogadrite

Formula: 
(K,Cs)[BF4]
Strunz: 
3.CA.10
Crystal System: 
Orthorhombic
Hardness: 
0.0
Type Locality: 
Mt Vesuvius, Somma-Vesuvius Complex, Naples Province, Campania, Italy

Malladrite

Formula: 
Na2[SiF6]
Strunz: 
3.CH.05
Hardness: 
3.0
Type Locality: 
Mt Vesuvius, Somma-Vesuvius Complex, Naples Province, Campania, Italy

Seller Information

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