This natural Dark Green Aventurine originates from Brazil and its weight is about 22 carats. The measurements are 26.80 x 19.80 x 3.80 mm (length x width x depth). The shape/cut-style of this Aventurine is Fancy Cabochon. This 22.87ct Aventurine gem is available to order and can be shipped anywhere in the world. Aventurine is a type of quartz frequently used for carvings and cabochons. Aventurine is mainly dark green sometimes with a glittery metallic appearance caused by included green mica. Deposits are found in Brazil, India, Austria, Russia and Tanzania.