herkimer diamond placed on top grade charoite polished slab from sakha republic, siberia, russia. on black background.

abstract appearance best black chakra chara charoite chatoyant colorful conchoidal county crown crystal decorative deep diamond double doubleterminated dream fibrous fractures gem gemology geology grade herkimer lavender lilac luster macro massive mineral mining monoclinic natural pattern pearly placed polished precious prismatic purple quality quartz river russia sakha siberia silicate slab spiritual stone stones swirling terminated texture top transformation translucent unusual violet vitreous