Rich specimen on pink-violet lamellar crystals of murmanite up to 7 mm long in dark green matrix. The murmanite crystals contrast well against the matrix.
Formula : Na3(Ti,Nb)4[O4/Si4O12] * 4 H2O
System: triclinic Hardness:2-3 Rarity:rare
Strunz id:VIII/E.7-10 -
SILICATES
Name origin: For the Murman coast on the northern side of the Kola Peninsula, Russia.
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Specimen weight:11 gr.
Crystal size:Up to 7 mm wide
Overall size: 30mm x 16 mm x 23 mm
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