Sulfur
Formel | S |
Herkunft | unknown |
Beschreibung | intense yellow sulphur crystals |
Systematik (Lapis) | Elements |
Kristallsystem | orthorhombic |
Härte | 1,5 – 2,0 |
Salzsäuretest | negative |
Eigenfarbe | sulphur yellow-honey yellow, yellow-brown, greenish, reddish grey, yellowish grey, also black due to organic influences |
Strichfarbe | white to light yellow |
Lumineszenz | none observed |
Glanz | Harzglanz, Fettglanz |
Transparenz (Opazität) | transparent to translucent |
Spaltbarkeit | imperfect |
Bruch | conchoidal, uneven |
Magnetismus | no |
typisches Vorkommen | Volcanic exhalation and bacterial reduction of sulphides in sediments under aerobic conditions. |
Dichte | 2,07 g/cm3 |
Kristallmodell
#© Mark Holtkamp