Composed primarily of manganese and iron
The bird sits securely in the base stone with pegs on the bottom of its feet
and today the mine is best remembered by collectors for the classic mineral specimens it produced rather than its commercial output
also known as "water sapphire" or "Vikings' Compass
Dimensions: 2x1x0
Siderite with Calcite from Dalnegorsk, Russia DS2570 tentadora Composed primarily of manganese andSiderite 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