Petr Hykš:
Fluorescent calcite
Petr Hykš:
Quartz & secondary calcite geode
Petr Hykš:
Quartz & secondary calcite geode in permian vulcanite
Petr Hykš:
Quartz & secondary calcite geode in permian vulcanite
Petr Hykš:
Calcite
Petr Hykš:
Blue marble
Petr Hykš:
Beautiful trigonal calcite crystals
Petr Hykš:
Trigonal calcite crystals (micro-capture, 30x)
Petr Hykš:
Trigonal calcite crystal (micro-capture, 30x)
Petr Hykš:
Trigonal calcite crystals (micro-capture, 30x)
Petr Hykš:
Beautiful trigonal calcite crystals
Petr Hykš:
Calcite
Petr Hykš:
Calcite crystals
Petr Hykš:
21_1
Petr Hykš:
14_2
Petr Hykš:
01_2
Petr Hykš:
DSC05060
Petr Hykš:
Calcite monocrystal
Petr Hykš:
DSC05871
Petr Hykš:
DSC05869
Petr Hykš:
Calcite
Petr Hykš:
DSC05857
Petr Hykš:
Calcite
Petr Hykš:
Calcite
Petr Hykš:
Calcite
Petr Hykš:
DSC05785
Petr Hykš:
DSC05777
Petr Hykš:
Calcite crystals
Petr Hykš:
Calcite crystals
Petr Hykš:
Calcite crystals
