Analcime

specimen number:
2062800

location:
Nizhnyaya Tunguska River Basin, Evenkiysky, Krasnoyarsk Krai, Russia

description:
Quite large for the species, a sharply formed semi lustrous mostly opaque crystal of analcime. Matrix is attached on the base. This is in great condition. The specimen comes with a previous label from the collection of Ray DeMark.

The Nizhnyaya Tunguska River Basin in Evenkiysky, Krasnoyarsk Krai, Russia, is characterized by extensive Siberian Traps flood basalts formed through ancient volcanic activity, featuring amygdaloidal cavities filled by secondary minerals. While the region lacks large-scale industrial mining operations for these specific silicates, its remote river valleys have long been explored and collected for exceptional mineral specimens. The volcanic cavities yield world-class zeolite minerals, such as harmotome, chabazite, analcime, and heulandite, prized by mineral collectors for their pristine crystal clarity and distinct formations.

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