Blue apatite and cleavelandite - Golconda mine, Minas Gerais,...
Small blue apatite crystals on cleavelandite, very bright and...
Two small crystals of green apatite, shiny and in very good condition. Orange under Uvs.
1,5 x 1 x 1,5 cm.
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Small blue apatite crystals on cleavelandite, very bright and...
Rare blue tourmaline (copper-bearing) with some hints of green...
Rare blue tourmaline (copper-bearing) possessing some hints of...
Rare blue tourmaline (copper-bearing) possessing some hints of...
Very nice thumbnail made of dark green apatite crystals,...
Nearly colorless, gem-quality topaz crystal with a broken /...
Light blue topaz with shiny surfaces, associated with...
Small, undamaged crystal with "etched" crystallization, very...
Tourmaline crystal with a superb blue (indicolite) and green...
Tourmaline crystal with a superb blue (indicolite) and green...
Smoky, biterminated quartz, shiny, intact, with a flat back...
Floating piece composed of bright quartz tips with beautiful...