Formula: CuB(OH)4Cl
Origin of name: For Mark Bandy, American mining engineer
Crystal system: Tetragonal
Crystal class: 4/m or 4/m 2/m
Colour: Deep blue with greenish tint
Diaphaneity: Translucent
Luster: Vitreous, pearly on cleavage
Habit: Crystals tabular or equant; small flattened oval or rounded aggregates on matrix
Hardness: 2.5
Specific gravity: 2.810
Cleavage: 1; {001} perfect
Tenacity:
Streak: Pale blue
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 |