Formula: FeCr2S4
Origin of name: For Gabriel Auguste Daubree (1814-1896), French mineralogist
Crystal system: Cubic
Crystal class: 4/m -3 2/m
Twinning:
Unit cell: a = 9.966 Å
Colour: Black
Diaphaneity: Opaque
Luster: Metallic, brilliant
Habit: Massive, scaly to platy
Hardness: 5
Specific gravity: 3.81
Cleavage: 1; distinct
Tenacity: Brittle
Streak: Brown
Synonyms/varieties:
Comments: From meteorites in small amounts in association with troilite and kamacite
| Back to Alphabetical list | Colour photos | Optical properties/Thin sections | SEM images | TEM images | vibrational spectra description | IR spectra | Raman spectra | N-IR spectra | F-IR spectra | IES spectra |