Details: Diamond (2.36 carat gray-brown dodecahedral rough uncut diamond).
Location of origin: Damtshaa Mine, near Orapa, Botswana.
Description: Lustrous transparent gray-brown natural uncut diamond with a few microscopic inclusions and subsurface flaws. The diamond crystal is dodecahedral form with unusual surface crystallization patterns indicative of repeated lamellar-twinning. No damage.
Overall size: 8x6x6 mm.
Size of individual crystals: 8 mm