[mineralogy] In mineralogy, the type specimen, also known as type material, is a reference sample by which a mineral is defined. ==Types== The following definitions for kinds of type specimens were approved in 1987 by the Commission on New Minerals and Mineral Names and the Commission on Museums of the International Mineralogical Associatio... Found on http://en.wikipedia.org/wiki/Type_specimen_(mineralogy)
(from the article `taxonomy`) The determination of the exact organism designated by a particular name usually requires more than the mere reading of the description or the ... Found on http://www.britannica.com/eb/a-z/t/99