Specimen rich of yellowish colored crystal of Niocalite up to 7 mm, a rare silicate of niobium, is in good evidence over the matrix from the type locality. Ex Pagano coll.
Formula : Ca7Nb[O3/F/(Si2O7)2]
System: monoclinic Hardness:6 Rarity:very rare
Strunz id:VIII/C.11-40 -
SILICATES
Name origin: -
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Specimen weight:101 gr.
Crystal size:Up to 7 mm
Overall size: 54mm x 42 mm x 30 mm
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