Mineralpedia Details for Roggianite
Roggianite
- Formula
- Ca2BeAl2Si4O13(OH)2·nH2O (n < 2.5)
- Crystal System
- Tetragonal
- Cleavage
- Perfect, None, None
- Luster
- Vitreous (Glassy)
- Color
- yellow, yellowish white, white
- Streak
- white
- Class
- Tetragonal - Ditetragonal Dipyramidal
- Hardness
- -
- WebMineral
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- Mindat
- View Roggianite
Roggianite from Alpe Rosso, Orcesco, Druogno, Piedmont, Italy
White Albite matrix with one side with fibrous snowy white Roggianite, a very rare beryllium tektosilicate found in just a handful of localities. It is a zeolite, and this is the type locality.
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