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Zircon & Sillimanite

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SGS42434

Zircon & Sillimanite

Description Tabs

Description
Locality: 
Nibbio Mine, Mergozzo, Verbano-Cusio-Ossola Province, Piedmont, Italy
Size Range: 
Small miniature (3-4.5 cm)
Size: 
2.5 × 3 × 2 cm
Largest Crystal: 
0.30cm
Description

Brown zircon crystal associated to sky-blue-grey sillimanite crystal 1.5 cm long. No reserve.

Mineral Data
What's on the rock

Zircon

Formula: 
ZrSiO4
Strunz: 
9.AD.30
Crystal System: 
Tetragonal
Hardness: 
7.5
Streak: 
White

Sillimanite

Formula: 
Al2(SiO4)O
Strunz: 
9.AF.05
Crystal System: 
Orthorhombic
Hardness: 
6.5 - 7.5
Streak: 
white
Type Locality: 
Chester, Middlesex Co., Connecticut, USA
SGS Minerals

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