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Humite & Spinel

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SER1049701

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Description
Locality: 
Monte Somma, Vesuvius, Campania, Italy
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 3.5 × 3.1 cm
Description

several blocky, yellow crystals of humite with dark green spinel crystals 

Mineral Data
What's on the rock

Humite

Formula: 
(Mg,Fe2+)7(SiO4)3(F,OH)2
Strunz: 
9.AF.50
Crystal System: 
Orthorhombic
Hardness: 
6.0
Type Locality: 
Monte Somma, Somma-Vesuvius Complex, Naples Province, Campania, Italy

Spinel

Formula: 
MgAl2O4
Strunz: 
4.BB.05
Crystal System: 
Isometric
Hardness: 
7.5 - 8.0

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Start 04 Jun 18:00
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