A bowl and a rock!
A pestle is the part of the mortar and pestle combo that you hold in your hand and looks like a club. It is used to grind cooking materials into powder.
The pestle is used for pounding and grinding, and the mortar is the bowl.
The pestle and mortar is a bowl with a miniature club. The pestle and mortar are used for grinding/pounding herbs/spices.
Chemicals are ground into powder using a mortar and pestle.
Try Pestle as in Pestle and Mortar
http://www.phisick.com/images/apoth/mortar-and-pestle-brass-101.jpg
it is still called a mortar and pestle :) at least thats what our science teacher said..
The word pestle is generally used in connection with the word mortar. It is from Latin pistillum, an instrument used for crushing; the mortar is a kind of bowl, and the pestle is used to crush a substance to powder in the mortar.
The mortar and pestle isn't made by players in the game. You can purchase on from herblore shops such as the one in Taverley.
for powdering...
a roman quern is just like a mortar and pestle, you just grind materials like wheat, flour, and grains, ect. p.s. a quern is a stone and a mortar and pestle is like a cup with a crushing stick. if you still don't get it then just look it up on google images to see how it looks bye now
A mortar and pestle are used to grind substances into smaller particles.