Mineralogie-Glossar
Wesentliche Begriffe und Definitionen für Mineralogie und Mineraliensammeln.
History and Classification
Cameo
A form of relief carving in a layered stone (typically onyx, sardonyx, or shell) where …
Lectotype
A specimen selected from the original material examined by the author of a mineral species …
Discredited Mineral
A mineral name that has been officially rejected by the IMA because it was found …
Lapidary
The art and practice of cutting, shaping, and polishing gemstones and ornamental stones. A lapidary …
Thermoluminescence
The emission of light from a mineral when heated, caused by the release of electrons …
Pyroelectricity
The generation of a temporary electric potential in certain crystals when heated or cooled, due …
Type Specimen
A specific physical specimen held in a museum collection that serves as the definitive reference …
Variety
A named subdivision of a mineral species distinguished by color, habit, or minor compositional variation, …
IMA Approval
The formal recognition of a new mineral species by the International Mineralogical Association's Commission on …
Luminescence
The emission of light by a mineral by any means other than incandescence (heat). Types …
Intaglio
The opposite of cameo: a carving technique in which the design is incised below the …
Holotype
The single physical specimen designated as the name-bearing type of a mineral species at the …
Birthstone
A gemstone traditionally associated with each month of the year. The modern birthstone list was …
Piezoelectricity
The generation of electric charge by mechanical deformation of certain crystals, discovered in quartz by …
Strunz Classification
The mineralogical classification system devised by Karl Hugo Strunz in 1941, organizing minerals into ten …