Alexandrite Twin Natural Crystal | 1cm | Brazil grape agate Green Onyx is a variety

Green Onyx is a variety of Chalcedony within the Quartz family

almost flowing texture

Throughout history

polished finish perfect for rings

Alexandrite Twin Natural Crystal | 1cm | Brazil grape agate Green Onyx is a varietyAlexandrite Twin Natural Crystal 1cm Brazil A rare and captivating natural Alexandrite twin crystal, shifting from vivid green in daylight to reddish brown under incandescent light. One piece available, sold as seen. This 0. 78g twin crystal (1x1x0. 3cm) from Brazil features two individual crystals grown together in perfect union. Alexandrite is a chromium rich variety of Chrysoberyl celebrated for its extraordinary colour change, a phenomenon caused