Minerals
Kruijenite
kruijenite
Ca4Al4(SO4)F2(OH)16*2H2O
Kruijenite: Mineral information, data and localities. — via www.mindat.org · Source
Overview
Kruijenite is a mineral species (hydrous sulfate mineral). It crystallises in the tetragonal system. Mohs hardness about 3.
Identification characteristics
- Mohs hardness 3
Scientific references
- Kruijenite — Wikidata. https://www.wikidata.org/wiki/Q57846015 Link