Petr Hykš:
Dark purple fluorite CaF2 + calcite CaCO3 + quartz SiO2
Petr Hykš:
Dark purple fluorite CaF2 + calcite CaCO3 + quartz SiO2 crystals
Petr Hykš:
Dark purple fluorite CaF2 + calcite CaCO3 + quartz SiO2 crystals
Petr Hykš:
Dark purple fluorite CaF2 + calcite CaCO3 + quartz SiO2 crystals
Petr Hykš:
Dark purple fluorite CaF2 + calcite CaCO3 + quartz SiO2 crystals
Petr Hykš:
Dark purple fluorite CaF2 + calcite CaCO3 + quartz SiO2 crystals (micro-capture)
Petr Hykš:
Dark purple fluorite CaF2 + calcite CaCO3 + quartz SiO2 crystals (micro-capture)
Petr Hykš:
Dark purple fluorite CaF2 + calcite CaCO3 + quartz SiO2 crystals (micro-capture)
Petr Hykš:
Dark purple fluorite CaF2 + calcite CaCO3 + quartz SiO2 crystals (micro-capture)
Petr Hykš:
Dark purple fluorite CaF2 + calcite CaCO3 + quartz SiO2 crystals (micro-capture)
Petr Hykš:
Dark purple fluorite CaF2 + calcite CaCO3 + quartz SiO2 crystals (micro-capture)
Petr Hykš:
Dark purple fluorite CaF2 + calcite CaCO3 + quartz SiO2 crystals (micro-capture)
Petr Hykš:
Dark purple fluorite crystals (micro-capture, 30x)
Petr Hykš:
Cubic crystal of dark purple fluorite in orthogneiss
Petr Hykš:
Fluorite formation in narrow fissures in orthogneiss