Pyrite and Calcite after Fluorite Pseudomorph Specimen - Dalnegorsk, Russia TD1608 pink amethyst A 20 mile long smoke

A 20 mile long smoke trail from the fall remained the sky for several hours after impact

Tower is shown under a long wave UV light in the first photo

It originates from the consolidation of quartz

often as nodules or geodes

and Tennessee

Pyrite and Calcite after Fluorite Pseudomorph Specimen - Dalnegorsk, Russia TD1608 pink amethyst A 20 mile long smokePyrite and Calcite after Fluorite Approx. Dimensions: 2. 5 x 2 x 1 inches Approx. Weight: 55 grams Locality: Nikolaevskiy Mine, Dalnegorsk, Primorskiy Kray, Russia Includes labeled acrylic base and cube as shown in photos. What a unique and wild specimen! Cubic fluorite dissolved away and was replaced by calcite and iridescent pyrite. The cubic structure of the fluorite was retained, but the mass of fluorite beneath was dissolved away so leave only a