Manganocalcite (Ca,Mn)CO3 Nikolayevskiy Mine, Dalnegorsk, Russian Federation Size: H:2.1cm x W:4cm x


Manganocalcite (Ca,Mn)CO3 Nikolayevskiy Mine, Dalnegorsk, Russian Federation Size: H:2.1cm x W:4cm x
Manganocalcite (Ca,Mn)CO3 Nikolayevskiy Mine, Dalnegorsk, Russian Federation Size: H:2.1cm x W:4cm x
Manganocalcite (Ca,Mn)CO3 Nikolayevskiy Mine, Dalnegorsk, Russian Federation Size: H:2.1cm x W:4cm x