Rhodochrosite, Bertrandite, etc (RARE combo) Logan Coll.

Item Description

A RARE and significant combination from this extinct Soviet era military-run tungsten-molybdenum deposit. Rhodochrosite in well-formed crystals is very rare from here. Specimens came out only in the early to mid-1990s and the mine closed in 1996. An impressive, large, 4.6 cm on the diagonal, lustrous, translucent, rose-red rhomb with a partial overgrowth rind of brown siderite dramatically dominates the small cabinet specimen. A 1.4 cm cluster of intergrown sea-green fluorite octahedrons, plus numerous complementary sprays of glassy, tabular bertrandite prisms, to 1.2 cm, and smaller rhodos are fine accessories on the massive smoky quartz matrix. Clusters and isolated brassy pyritohedrons, siderite rhombs and sulfide sections are also noted. The two primary rhodo crystal faces are cleaved, but this remains an exceptional and rare combination from the W.S. Logan Collection # X14-3.