Observations base on Salt crystals
Colors: Salt crystals comes in Himalayan Pink salt, Hawaiian Red salt, Brittany Grey sea salt, Persian Blue salt, Hawaiian black salt/ Cyprus Black salt.
Hardness: The hardness of salt crystal got a score of 1 out of 10
Cleavage and/or fracture: The salt crystals is fracture because it breaks in conchoidal matter like ripples of broken glass bottle this type of clearly demonstrates fracture..
Luster: Salt crystals is nonmetallic luster where is it shine but it aren't mental.
Streak: The color when it crushed to powder it is white.
Special Properties: The special properties it has is its taste, it is salty which is obvious since it made out of salt.