General Information:
Chemical Formula:NaCl
Composition:(Molecular Weight = 58.44 gm)Sodium 39.34 %
NaChlorine 60.66 %
Cl Empirical Formula: NaCl
Environment:Marine or continental evaporite deposits.
Locality:World wide in sedimentary basins.
Name Origin:From the Greek halos, meaning "salt" and lithos meaning "rock."
Physical Properties: Cleavage:[100] Perfect, [010] Perfect, [001] Perfect
Color:white, clear, light blue, dark blue, or pink.
Density:2.17
Diaphaniety:Transparent
Habits:Euhedral Crystals - Occurs as well-formed crystals showing good external form., Granular - Generally occurs as anhedral to subhedral crystals in matrix., Crystalline - Coarse - Occurs as well-formed coarse sized crystals.
Hardness:2.5 - Finger Nail
Luminescence:Non-fluorescent.
Luster:Vitreous (Glassy)
Streak:white
More details...
