Material consisting of the aggregate of minerals like those making up the Earth's crust
(Noun)
A crystalline rock that can be cut and polished for jewelry
(Noun)
Synonyms:
  1. gems
The hard inner (usually woody) layer of the pericarp of some fruits (as peaches or plums or cherries or olives) that contains the seed
(Noun)
Synonyms:
  1. pits