Bromargyrite

Formula:  AgBr

Origin of name:  From composition

 

Crystal system:  Cubic

Crystal class:  4/m -3 2/m

Twinning:  Uncommon on {111}

Unit cell: a = 5.775 Ǻ

 

Colour:  Gray, greenish gray, greenish brown, yellowish

Diaphaneity:

Luster:  Resinous to adamantine, waxy

Habit:  Crystals usually cubic; massive, crusts, columnar or fibrous

Hardness:  2.5

Specific gravity:  6.474

Cleavage:  None

Tenacity:  Subconchoidal to uneven; sectile

Streak:

 

Synonyms/varieties:  Bromyrite, embolite

 

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