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Ulug-Tanzek deposit, Tuva Republic, Eastern-Siberian Region, Russia

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Multiple photos availableCryolite : Na3[AlF6]

Ulug-Tanzek deposit, Tuva Republic, Eastern-Siberian Region, Russia

11x8x4 cm massive chunk of pure middle-granular cryolite from axial zone of quartz vein within leucogranites. Pavel M. Kartashov collection and photo.
 © Pavel M. KartashovPhoto ID: 150315    View Count: 100

Thomsenolite : NaCaAlF6·H2O, Quartz : SiO2

Ulug-Tanzek deposit, Tuva Republic, Eastern-Siberian Region, Russia

11x6x3.5 cm chunk of almost pure sugar-like aggregate of Thomsenolite. The aggregate is composed by 0.3-1 mm long prismatic crystals and form cement of the quartz breccia. Such quartz-thomsenolite breccias are formed along tectonic faults of large cryolite body on the locality. Associating minerals are grey granular quartz and black films of not ...
 © Pavel M. KartashovPhoto ID: 225483    View Count: 29
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