and yellows from the jasper
5x4x3 inches
also known as "water sapphire" or "Vikings' Compass
and today the mine is best remembered by collectors for the classic mineral specimens it produced rather than its commercial output
Composed primarily of manganese and iron
Siderite with Calcite from Dalnegorsk, Russia DS2570 tentadora and yellows from the jasperSiderite with Calcite from Dalnegorsk, Russia Approx. Dimensions: 3x2x2. 5 inches Approx. Weight: 178 grams Locality: Nikolaevskiy Mine, Dalnegorsk, 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 in Dalnegorsk