Ontario Mineral - Ancylite

Rocks minerals Ontario ancylite
Description:
Monoclinic; rare earth-bearing hydrated carbonate; prismatic crystals or rounded aggregates, shows splintery fracture; rare, Hydrated Cerium Lanthanum Strontium Calcium Carbonate Hydroxide
Color:
yellow, yellowish brown, grey.
Hardness:
4 - 4.5
Local Occurance:
Desmont Mine