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Is the presence of TRIGONS only on Diamonds? Or are there other minerals which has it also?

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asked Jan 9, 2018 by emon (140 points)

1 Answer

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Trigon formations on crystals are definitely a rarity in the mineral kingdom. Offhand I can recall seeing them as well on Sphalerite. If I think of any other minerals will add them here in the future.
answered Apr 30, 2018 by hershel (52,780 points)