General Information:
Chemical Formula:
S8
Composition:
(Molecular Weight = 256.53 gm)
Sulfur 100.0 % S
Empirical Formula:
S8
Environment:
Volcanic exhalations and bacterial reduction of sulfates in sediments.
Locality:
Notable localities are in Sicily, Italy and salt domes of the United States Gulf Coast.
Name Origin:
Sanskrit, sulvere = "sulfur;" Latin sulphurium.
Physical Properties:
Cleavage:
[???] Imperfect, [???] Imperfect
Color:
yellow, yellowish brown, yellowish gray, reddish, or greenish.
Density:
2.05 - 2.09, Average = 2.06
Diaphaniety:
Transparent to translucent
Habits:
Massive - Uniformly indistinguishable crystals forming large masses., Reniform - "Kidney like" in shape (e.g.. hematite)., Stalactitic - Shaped like pendant columns as stalactites or stalagmites (e.g. calcite).
Hardness:
1.5-2.5 - Hardness very near Gypsum
Luminescence:
Non-fluorescent.
Luster:
Resinous
Streak:
white
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