7" Hi-Quality Natural Agate Mortar and Pestle - OP-MTA-7 Mortars and Pestles average hole diameter is about

average hole diameter is about  0

Purity Al2O3 > 95%

General Properties  for Sliver

(Note: Updated information on 5/21/2015)

7" Hi-Quality Natural Agate Mortar and Pestle - OP-MTA-7 Mortars and Pestles average hole diameter is aboutBrand new 7" AGATE Mortar and Pestle, 1 1 2" deep. Volume: 250 ml. Translucent chalcedony with hardness 6 7. Handcrafted from the finest agate stone with shining, polished grinding surfaces. The mortar is octagonal and the pestle is cylindrical. Attention: Minor crack on the bottom of the mortal is normal and occurs naturally. Dimension: Tired of grinding by hand? Please consider using an electronic motor grinder to save lab cost!