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Mullite

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CHP1060344

Description Tabs

Description
Locality: 
Marrubiu, Monte Arci, Oristano Province, Sardinia, Italy
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.4 × 1.6 × 1.5 cm
Description

specimen with some beautiful tufts of yellowish needles of mullite on matrix.

c. 8563

Mineral Data
What's on the rock

Mullite

Formula: 
Al4+2xSi2-2xO10-x
Strunz: 
9.AF.20
Crystal System: 
Orthorhombic
Hardness: 
6.0 - 7.0
Type Locality: 
Seabank Villa, Isle of Mull, Strathclyde (Argyllshire), Scotland, UK

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