Source:http://linkedlifedata.com/resource/umls/id/C0003522
MSH: A group of phosphate minerals that includes ten mineral species and has the general formula X5(YO4)3Z, where X is usually calcium or lead, Y is phosphorus or arsenic, and Z is chlorine, fluorine, or OH-. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed),CSP: family of minerals composed of mutilples of Ca5-(PO4)6-OH; one of the 2 major minerals of bones and teeth, the other being calcium carbonate.