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Quartz

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QBM903876

Quartz

Description Tabs

Description
Locality: 
Porretta Terme, Bologna Province, Emilia-Romagna, Italy
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.1 × 1.9 × 2.2 cm
Description

Fine quality skeletal quartz crystal from Porretta Terme, Bologna Province, Italy. This is a nice specimen from this classic locality. The crystal is sharp and highly lustrous, glassy, completely transparent, and water clear. It has interesting skeletal features and beautiful clay inclusions, which are typical for this locality. The skeletal structure is caused by a fast growth of the mineral where the crystal faces do not have the time to be completed because the edges grow faster than the center of the faces. It displays attractively all over 360 degree. In good condition – some contacts.

Excellent!

Shipping weight up to 0.250 kg

#19386

Mineral Data
What's on the rock

Quartz

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