Silicates[28 from 152] Arfvedsonite In quartz- polevoshpat- pegmatite. The length of arfvedsonite crystal is 7 cm.
The name, a brief visual description:
Arfvedsonite
In quartz- polevoshpat- pegmatite. The length of arfvedsonite crystal is 7 cm.
Sample size:
Ore. 8x6,3,x3,7 cm. 0,172 kg.
Place of sampling:
Haldzan- Buregtegski array alkaline granites, West Mongolia