Green Onyx Mortar and Pestle Lemon Calcite is caused by inclusions of

is caused by inclusions of sulfur

which are responsible for the range of colors from red

Average Dimensions:  1 L x 1 W x 4

Average Dimensions: 3

Inclusions of blue dumortierite or sodalite

Green Onyx Mortar and Pestle Lemon Calcite is caused by inclusions ofPakistani onyx, the bands formed by the deposition of calcite saturated with iron. The iron oxidizes into reddish bands while the reduced iron creates green or whitish banding. These pieces are polished into a mortar and pestle shape. You will receive one piece selected from our current stock. All pieces are of similar size and quality. Average measurements: 4. 0 L x 4. 0 W x 2. 75 H inches Average weight: 2. 21 pounds