Silicates[150 from 152] Aegerine needle- radiant greenish-black aggregate with small phenocrysts of biotite and nepheline.
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The name, a brief visual description:
Aegerine
needle- radiant greenish-black aggregate with small phenocrysts of biotite and nepheline.
Sample size:
Ore. 8*6,5*2 cm. 0,124 kg.
Place of sampling:
Khibiny, Kola Peninsula.