Italy, Toscana, Siena prov, Monteriggioni


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Rubble quarries, 3 Km SE of Monteriggioni, with doubly terminated black quartz

 

Quartz
Black biterminated X,  with the usual hexagonal symmetry. Edge is 1cm long, the X is more smooth than usual
9x5.5cm
Monteriggioni, Siena. Italy
Specimen n.164

 

Quartz
Black biterminated X, 2cm wide. The photo shows the typical hexagonal shape. Surfaces are corroded, as often occurs
7x5cm
Monteriggioni, Siena. Italy
Specimen n.1274

Another photo: a different view

 

Quartz
In this X, 1.3 cm high. The X is bipyramidal and the prism faces are completely absent
6x5cm
Monteriggioni, Siena. Italy
Specimen n.1278

 

Quartz
The bigger X in my collection from Monteriggioni: it is 3.5 x 2.3 cm
7x7.5cm
Monteriggioni, Siena. Italy
Specimen n.540


 

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