Formula: Pb3H2(TeO3)(TeO6)
Origin of name: For Richard Gird, American mining engineer
Crystal system: Monoclinic
Crystal class: Unknown
Twinning:
Unit cell:
Colour: White
Diaphaneity:
Luster:
Habit: Spherules, dense chalky, to 3mm
Hardness: 2
Specific gravity: 5.5
Cleavage: None
Tenacity:
Streak:
Synonyms/varieties:
Comments:
| Back to Alphabetical list | Colour photos | Thin sections | SEM images | TEM images | vibrational spectra description | IR spectra | Raman spectra | N-IR spectra | F-IR spectra | IES spectra |