Diamond

Rare star shaped rough Diamond with visible Trigons. Photo by Wilma van der Giessen

Corundum

Rough Ruby on matrix from Jagdalek in Afghanistan

Beryl

Aquamarine on Muscovite from Pakistan

Organic

Marine-creature-on-the-surface-of-a-rough-Amber-from-Myanmar.-Photo-by-Federico-Barlocher

Other gemstones

Garnet on Quartz from China

Rare and unusual gemstones

TAJIKISTAN CLINOHUMITES. Photo by Federico Barlocher
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