Observations base on Sulfur
Colors: The mineral Sulfur comes in different variations of colors such as bright yellow which just pure sulfur. When clay and selenium, including volcanic mixtures in sulfur can lead to different colors such as red, green, brown, or gray.
Hardness: The score that sulfur for hardness is 2 out of 10.
Cleavage and/or fracture: Cleavage it got a score of 3,2 which means its good cleavage in two directions but poor cleavage in other direction. Fracture: Conchoidal ( a type that results in a smooth rounded surface resembling the shape of a scallop shell).
Streak: Leaves a white powder
Special Properties: Smells like rotten eggs, and farts.