Dipyramidal colorless corundum specimen. Weighs 7.60 carats. Undamaged, natural, shiny surface, fine prismatic crystal shape. Small in size but nice everything.
双金字塔结构无色刚玉标本。重达7.60克拉
没有损坏的完整天然光滑表面。
我甚至想过用这样的矿物晶体做一对独特的耳环