Petr Hykš: Calcite crystals
Petr Hykš: Calcite crystals
Petr Hykš: Calcite crystals
Petr Hykš: Calcite crystals
Petr Hykš: Calcite crystals
Petr Hykš: DSC05777
Petr Hykš: DSC05785
Petr Hykš: Calcite
Petr Hykš: Calcite
Petr Hykš: Calcite
Petr Hykš: DSC05857
Petr Hykš: Calcite
Petr Hykš: DSC05869
Petr Hykš: DSC05871
Petr Hykš: DSC05874
Petr Hykš: Calcite monocrystal
Petr Hykš: DSC05060
Petr Hykš: Calcite
Petr Hykš: Calcite
Petr Hykš: Honey brown calcite
Petr Hykš: Calcite
Petr Hykš: Quartz & secondary calcite geode
Petr Hykš: Beautiful trigonal calcite crystals
Petr Hykš: Calcite crystals
Petr Hykš: Limonite coating on calcite crystals
Petr Hykš: Limonite coating on calcite crystals
Petr Hykš: Limonite coating on calcite crystals
Petr Hykš: Large calcite specimen from Štramberk
Petr Hykš: Fluorescent calcite