Formula: Na2Ca(SO4)2.4H2O
Origin of name: for baron Oscar de Wattteville of Paris, France
Crystal system: Orthorhombic
Crystal class: unknown
Twinning:
Unit cell:
Colour: White
Diaphaneity:
Luster: Silky
Habit: crystals acicular or fibrous, minute, in aggregates, microscopic
Hardness:
Specific gravity: 1.81
Cleavage: None
Tenacity:
Streak: White
Synonyms/varieties:
Comments:
| Back to Alphabetical list | Colour photos | Optical properties/Thin sections | SEM images | TEM images | vibrational spectra description | IR spectra | Raman spectra | N-IR spectra | F-IR spectra | IES spectra |