Petr Hykš:
Tourmaline, schorl
Petr Hykš:
black_crystal_again_and_again_by_flanker_27-d6pkyv1
Petr Hykš:
Tourmaline (micro-capture)
Petr Hykš:
black_mineral_by_flanker_27-d72nk8m
Petr Hykš:
Boudinaged tourmaline
Petr Hykš:
black_tourmaline_by_flanker_27-d7wqlb9
Petr Hykš:
mineral_3_by_flanker_27-d6ondw7
Petr Hykš:
mineral_by_flanker_27-d6ondp2
Petr Hykš:
take_a_look_again_by_flanker_27-d6pf1on
Petr Hykš:
very_small_structure_2_by_flanker_27-d6pf0l9
Petr Hykš:
very_small_structure_by_flanker_27-d6pf0i5
Petr Hykš:
wonderful_shape_by_flanker_27-d6pf1t4
Petr Hykš:
24_5
Petr Hykš:
a21
Petr Hykš:
a23
Petr Hykš:
Boudinaged tourmaline
Petr Hykš:
18
Petr Hykš:
Pegmatite
Petr Hykš:
Terminated tourmaline crystal