Silicates[139 from 152] Zircon. Leucocratic porphyry granite contains phenocrysts up to 2 cm light brown and black zircon inclusions to 0.2 cm columbite. Ore is polished.
The name, a brief visual description:
Zircon.
Leucocratic porphyry granite contains phenocrysts up to 2 cm light brown and black zircon inclusions to 0.2 cm columbite. Ore is polished.
Sample size:
Ore. 12,5*10*3 cm. 0,492 kg.
Place of sampling:
The field Ulugh Tanzekskoe Tyva.
