Bismite

Formula:  Bi2O3

Origin of name:  From composition

 

Crystal system:  Monoclinic

Crystal class:  2/m

Twinning:

Unit cell: a = 5.85 Ǻ, b = 8.17 Ǻ, c = 7.51 Ǻ, β = 113.0°

 

Colour:  Yellowish, greenish yellow, grayish green

Diaphaneity:  Translucent

Luster:  Subadamantine to dull

Habit:  Massive, compact, fine-grained, earthy

Hardness:  4.5

Specific gravity:  8.64 to 9.1

Cleavage:  None

Tenacity:

Streak:  Yellow to grayish

 

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