Formula: (Nb,Ta)BO4
Origin of name: Named for Italian mineralogist Giuseppe Schiavinato (1915-1996).
Crystal system: Tetragonal
Crystal class: 4/m 2/m 2/m
Twinning:
Unit cell: a = 6.219, c = 5.487
Colour: Grayish pink
Diaphaneity: Transparent
Luster: Vitreous
Habit: Granular
Hardness: 8
Specific gravity:
Cleavage: None
Tenacity: Brittle
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 |