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Princivalleite

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SMM913201

Princivalleite

Rare Mineral from Type Locality
New Mineral type

Description Tabs

Description
Locality: 
Curiglia, Curiglia con Monteviasco, Varese Province, Lombardy, Italy
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 3.5 × 2 cm
Description

Blu partials crystals of the rare new member of the "Tourmaline Group" previously described as olenite (Pezzotta & Guastoni, 2006).

Now recently approved as princivalleite, IMA 2020-056.  CNMMN Newsletter No. 58. European Journal of Mineralogy, 32, 645-651, 2020.

Good specimen!

 

Boxed with Label
Mineral Data
What's on the rock

Princivalleite

Formula: 
Na(Mn2Al)Al6(Si6O18)(BO3)3(OH)3O
Crystal System: 
Trigonal
Colour: 
Light Blue
Type Locality: 
Curiglia, Curiglia con Monteviasco, Varese Province, Lombardy, Italy

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