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Melanite & Titanite & Sanidine

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SHS1039545

Melanite & Titanite & Sanidine

Description Tabs

Description
Locality: 
Onano, Viterbo Province, Lazio, Italy
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.3 × 2.6 × 1.5 cm
Description

Melanite and titanite crystals on matrix

Mineral Data
What's on the rock

Melanite

Variety Of: 

Andradite

Formula: 
Ca3Fe3+2(SiO4)3
Strunz: 
9.AD.25
Hardness: 
6.5 - 7.0
Hardness: 
0.0
Colour: 
Black

Titanite

Formula: 
CaTi(SiO4)O
Strunz: 
9.AG.15
Hardness: 
5.0 - 5.5
Streak: 
White
Type Locality: 
Titanite occurrence, Hauzenberg, Lower Bavaria, Bavaria, Germany

Sanidine

Formula: 
KAlSi3O8
Strunz: 
9.FA.30
Crystal System: 
Monoclinic - Prismatic
Hardness: 
6.0
Streak: 
White
Type Locality: 
Drachenfels, Königswinter, Siebengebirge, North Rhine-Westphalia, Germany