Loeweite

Roman Kanich·July 17, 2022·0 comments

Loeweite
Clades: Sulfates.
Chemical: Na12Mg7(SO4)13 ·15H2O.
Colour: colourless, reddish-yellow; colourless in transmitted light.
Lustre: vitreous.
Hardness: 2½ - 3.
Specific gravity: 2.374 - 2.423.
Crystal system: Trigonal.