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Systematic mineralogy is the identification and classification of minerals by their properties. Historically, mineralogy was heavily concerned with taxonomy of the rock-forming minerals. In 1959, the International Mineralogical Association formed the Commission of New Minerals and Mineral Names to rationalize the nomenclature and regulate the ...
The way a mineral splits (or “cleaves”), particularly along planes in the crystal structure. Cleavage is generally described by. how well a mineral can be split to produce a flat plane, a process controlled by planes of weakness in the crystal structure.
Optical mineralogy is used to identify the mineralogical composition of geological materials in order to help reveal their origin and evolution. Some of the properties and techniques used include: Refractive index; Birefringence; Michel-Lévy Interference colour chart; Pleochroism; Extinction angle; Conoscopic interference pattern (Interference ...
The process of identifying minerals under the microscope is fairly subtle, but also mechanistic – it would be possible to develop an identification key that would allow a computer to do it. The more difficult and skilful part of optical petrography is identifying the interrelationships between grains and relating them to features seen in hand ...
The classification of minerals is a process of determining to which of several groups minerals belong based on their chemical characteristics. Since the 1950s, this classification has been carried out by the International Mineralogical Association, which classifies minerals into the following broad classes: Classification of non-silicate minerals
First brass (calamine plus copper process) appears in the middle of first century BC in the Roman Imperium, zircon and tourmalines are not found on ancient art works. The oldest known pills were made of the zinc carbonates hydrozincite (described 1853) and smithsonite (described 1832).
This process of mineralogical alteration is related to the rock cycle. An example of a series of mineral reactions is illustrated as follows. [58] Orthoclase feldspar (KAlSi 3 O 8) is a mineral commonly found in granite, a plutonic igneous rock.
Criteria for selecting crystallized mineral specimens for a display collection by Jack Halpern Reprint article, the Mineralogical Record, 2008; Tips for collecting minerals in the field, by the Mineralogical Society of America. Collector's Corner, at MSA; The American Federation of Mineral Societies, with links to regional and local clubs in ...