FormulaSb2S3
OriginBaiut Mine (Romania) 
Descriptionnice group of metallic bluish crytals
Classification (Lapis) Sulfides
Crystal Systemothorhombic
Hardness2
Colourgrey, bluish, black
Streakleadgrey
Luminescencenone observed 
Lustremetallic
Transparency (Opacity)opaque 
Cleavageperfect
Fracturesubconchoidal
Magnetismnegative
Geological Settingon quartz-lead-ore and silver-ore veins
Specific Gravity4,65 g/cm3
Kristallmodell







#© Mark Holtkamp