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Leucite & Augite

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TBM1042899

Leucite & Augite

Classic Locality

Description Tabs

Description
Locality: 
Roccamonfina, Caserta Province, Campania, Italy
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
5.5 × 7 × 4 cm
Largest Crystal: 
2.50cm
Weight: 
113.00gr
Description

Particular well-formed  Leucite crystal up to  25 mm  with  black Augite crystals up to 2 mm on volcanic tuff matrix

Mineral Data
What's on the rock

Leucite

Formula: 
K(AlSi2O6)
Strunz: 
9.GB.05
Hardness: 
5.5 - 6.0
Type Locality: 
Monte Somma, Somma-Vesuvius Complex, Naples Province, Campania, Italy

Augite

Formula: 
(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
Strunz: 
9.DA.15
Crystal System: 
Monoclinic
Hardness: 
5.5 - 6.0