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Quartz

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Watches:
MGR771215

Quartz

Floater

Description Tabs

Description
Locality: 
Porretta Terme, Bologna Province, Emilia-Romagna, Italy
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.6 × 5.5 × 3.3 cm
Description

The speciman consits of three inter-grown double-terminated crystals. They are milky and lustrous. The speciman is developed as floater.

Mineral Data
What's on the rock

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White