many of them with UV reactive petroleum inclusions
rhodochrosite has been known since ancient times and has been utilized as an ornamental stone in jewelry and carvings
Weight: 199 grams
One of the defining characteristics of Welo Opal is its exceptional play-of-color
The cavity is circled with black Sharpie
Siderite with Calcite from Dalnegorsk, Russia TF1830 trolleite many of them with UVSiderite with Calcite from Dalnegorsk, Russia Approx. Dimensions: 4x2x2. 5 inches Approx. Weight: 168 grams Locality: Nikolaevskiy Mine, Dalnegorsk, Primorskiy Kray, Russia Siderite with calcite specimens from Russia, specifically the renowned Nikolaevskiy Mine in Dalnegorsk, Primorsky Krai, are highly prized for their unique, often spherical, and complex, multi generational crystalline structures. These, mineral specimens from the Nikolaevskiy Mine