rimstone
Noun
Meaning
rimstone (countable and uncountable, plural rimstones)
A secondary mineral deposit, with a stone-wall-like appearance made up of calcite and other minerals, that builds up to create cave pools.
Noun
rimstone (countable and uncountable, plural rimstones)
A secondary mineral deposit, with a stone-wall-like appearance made up of calcite and other minerals, that builds up to create cave pools.