An excellent and very rich specimen covered with sharp, glassy and partially gemmy, burnished brown pyrochlore octahedrons, with flashes of gemmy red fire, aesthetically covering matrix on this very fine specimen from Vishnovogorsk, Ural Mts., Russia. Pyrochlore is an uncommon niobium oxide and crystals are usually brown and dull and earthy. Lustrous, glassy crystals such as these, with a rich lively brown color, are quite uncommon and this locality is regarded as the king for "pretty" examples of the species. Find in the 1980s or before.
 Specimen weight:320 gr.
 Crystal size:Up to 8 mm
 Overall size: 73mm x 67 mm x 45 mm
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