mountain heath: small shrub with tiny evergreen leaves and pink or purple flowers; Alpine summits and high ground in Asia and Europe and United States
heath: a low evergreen shrub of the family Ericaceae; has small bell-shaped pink or purple flowers
pestle: a heavy tool of stone or iron (usually with a flat base and a handle) that is used to grind and mix material (as grain or drugs or pigments) against a slab of stone