One excellent miniature specimen of clear quartz crystals overgrowth by several twined and very well terminated chalcopyrite crystals, followed by black and very lustrous sphalerite – marmatite tetrahedral crystals, covered by round yellow-orange dolomite
One very rare and very aesthetic specimen of space developed, double-terminated clear quartz crystals, overgrowth by galena, lately strongly dissolved galena crystals, to reaching amorphous shape. At the end of the crystallization process, small round dolomite crystals were formed on the quartz crystal faces.
An outstanding and very aesthetic specimen of very lustrous galena crystals, followed by black sphalerite with extremely shiny crystal faces, overgrowth by quartz, and covered by white round dolomite crystals.
A beautiful specimen of Quartz-rock crystal overgrowth by dolomite
Size: 95 x 87 x 40 mm
A specimen that you receive may look slightly different in color from the one on the photographs. Because of the lights used to make the photos.
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Morphology miracle. One very rare specimen of pseudomorph of calcite after calcite with dolomite coated by limonite. Morphology is very rare because of parallel growing of steep scalenohedron calcite crystal and two isometric rhombohedron calcite crystals.