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Vuonnemite

- Formula
- Na11Ti4+Nb2(Si2O7)2(PO4)2O3F
- Crystal System
- Triclinic
- Crystal Habit
- Platy, Bladed
- Cleavage
- Perfect, Very Good, Very Good
- Luster
- Vitreous - Greasy
- Color
- light yellow, lemon yellow, greenish yellow
- Streak
- white
- Class
- Triclinic - Pinacoidal
- Fracture
- Brittle
- Hardness
- 2-3
- WebMineral
- View Vuonnemite
- Mindat
- View Vuonnemite
Vuonnemite from Alluaiv Mt., Lovozero Massif, Kola Peninsula, Russia

Light tan platy crystals to 3.5cm occupying much of the specimen with Ussingite and Serandite.
Click thumbnail images for larger view.