Minerals
Humberstonite
humberstonite
K3Na7Mg2(SO4)6(NO3)2·6H2O
Humberstonite: Mineral information, data and localities. — via www.mindat.org · Source
Overview
Humberstonite is a mineral species (sulfate-nitrate hexahydrate mineral). It crystallises in the trigonal system. Mohs hardness about 2.5. Nickel–Strunz class: 7.DG.10.
Identification characteristics
- Mohs hardness 2.5
Scientific references
- Humberstonite — Wikidata. https://www.wikidata.org/wiki/Q1967651 Link