Silicates[131 from 152] Chiastolite. Characteristic cruciform in cross-section crystals in black shale.
The name, a brief visual description:
Chiastolite.
Characteristic cruciform in cross-section crystals in black shale.
Sample size:
Ore.15,5х5х5 cm. 0,45 kg.
Place of sampling:
river Panimba, Yenisei Ridge.