Unusual colourless Afghanite is very typical for Tultui deposit. Associated minerals are: very minor light blue lazurite, pyrite crystal and beige granular cavernous diopside matrix. In the difference from most lazurite deposits of Prebaikalie, hosted in marbles, Tultui deposit connected with layer of diopside skarns. Specimen size is 4x4x2 cm. selfcollected in August of 1988. Pavel M. Kartashov collection and photo.
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