Calcium Sulfate

From Conservapedia
This is the current revision of Calcium Sulfate as edited by AlexWD (Talk | contribs) at 23:48, 20 January 2010. This URL is a permanent link to this version of this page.

(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to: navigation, search

Calcium sulfate, also known as gypsum, is an unusually soft mineral that occurs in nature. Gypsum is number 2 on the Mohs Hardness Scale. Gypsum is a key ingredient in cement, plaster, and drywall. Crystallized gypsum is called selenite. The chemical formula for gypsum is CaSO4 · 2(H2O) [1]