Formula: AgPbSbS3
Origin of name: For J. Freiesleben, mining commissioner, Saxony
Crystal system: Monoclinic
Crystal class: 2/m
Twinning: on {100}
Unit cell: a = 7.54 Ǻ, b = 12.82 Ǻ, c = 5.89 Ǻ, β = 90°
Colour: Lead-gray to silver-white
Diaphaneity:
Luster: Metallic
Habit: Crystals prismatic, vertically striated
Hardness: 2 to 2.5
Specific gravity: 6.20 to 6.23
Cleavage: 1; {110} imperfect
Tenacity: Subconchoidal to uneven; brittle
Streak: Same as colour
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 |