Formula: (Ca,Mg)6(Al,Fe)5Si2O16Cl3
Origin of name: for Tsunashiro Wada (1856-1920), first Director General of the Geological Survey of Japan.
Crystal system: Cubic/Isometric
Crystal class: 4 3m
Twinning:
Unit cell: a = 12.001 Å
Colour: Black, dark gray, lemon yellow
Diaphaneity: Transparent
Luster: Vitreous
Habit:
Hardness:
Specific gravity: 3.01 (measured), 3.056 (calculated)
Cleavage:
Tenacity:
Streak: White
Synonyms/varieties:
Comments: Garnet group
| 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 |