Formula: Bi2(CO3)O2
Origin of name: From composition
Crystal system: Tetragonal
Crystal class: 4/m 2/m 2/m
Colour: Yellowish to brownish yellow to brown; greenish, gray to black
Diaphaneity: Transparent to translucent
Luster: Vitreous to pearly to dull
Habit: Massive; scaly to lamellar aggregates, fibrous or chalcedonic crusts
Hardness: 2.5 to 3.5
Specific gravity: 6.1 to 7.7
Cleavage: 1; {001} distinct
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 |