Siderite with Calcite from Dalnegorsk, Russia TF1830 green opal or spherical siderite coated with

or spherical siderite coated with or associated with white

Weight: 153 grams

The most valuable and well-known type of moonstone is the variety that exhibits a blue adularescence

One is that of the Inuit people who claimed it fell from the frozen fire of the Aurora Borealis

well-defined faces

Siderite with Calcite from Dalnegorsk, Russia TF1830 green opal or spherical siderite coated withSiderite 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