Calcite (variety cobaltian calcite)
Gnade Gottes Mine, Alter Schmiedestollen adit, Wittichen, Schenkenzell, Rottweil, Black Forest, Baden-Württemberg, Germany
5,5 x 4,5 cm
(Author: Andreas Gerstenberg)
Dimensions: | 866 x 689 |
File size: | 52.29 kbytes |
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