Gypsum

GYPSUM
==Gypsum rocks have many colors but its usually white, colorless or gray. But it can also be shades of red, brown, and yellow. In the hardness scale gypsum is measured at two. Its able to be scratched, something that can scratch gypsum is galena. The cleavage is good in one direction and distinct in two others perfect. Fracture is splintery, and conchoidal. Gypsum is not magnetic. The light reflected from the minerals surface is non-metallic which it is pearly luster. Another special property is fluorescence. 1.it has a specific gravity which is 2.3. 2.the rock is not that big but its not that small. 3.it doesnt smell. 4.it has many sizes. 5.it looks very nice.==