Indicolite tourmaline - Santa Rosa mine, Itambacuri, Minas...
Rare blue tourmaline (copper-bearing) with some hints of green...
Bright, well-formed, biterminated floating crystal of translucent brown dravite. One end shows remnants of micaschist, the rock in which this tourmaline crystallized. An unfortunate "contact" prevents it from being perfect. 29g.
4,5 x 2,2 x 1,5 cm.
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Rare blue tourmaline (copper-bearing) with some hints of green...
Rare blue tourmaline (copper-bearing) possessing some hints of...
Undammaged, bright, biterminated crystals of "green cap"...
Rare blue tourmaline (copper-bearing) possessing some hints of...
Floating group of small green uvite (tourmaline variety)...
Tourmaline crystal with a superb blue (indicolite) and green...
Tourmaline crystal with a superb blue (indicolite) and green...
Association of shiny black tourmaline and white quartz...