Difference between revisions of "Pegmatite"
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== Description == | == Description == | ||
| − | A coarse-grain granite that is composed of feldspar and quartz with some muscovite or biotite. Sometimes pegmatites may contains gem crystals (topaz, tourmaline, beryl, fluorite, apatite, garnet, lepidolite) and rare elements (uranium, tungsten, tantalum, boron, beryllium and lithium). Some pottery books formerly used the term 'pegmatite' as a synonym for Cornish granite and china stone. | + | A coarse-grain [[granite]] that is composed of [[feldspar]] and [[quartz]] with some [[muscovite]] or [[biotite]]. Sometimes pegmatites may contains gem crystals ([[topaz]], [[tourmaline]], [[beryl]], [[fluorite]], [[apatite]], [[garnet]], [[lepidolite]]) and rare elements ([[uranium]], [[tungsten]], [[tantalum]], [[boron]], [[beryllium]] and [[lithium]]). Some pottery books formerly used the term 'pegmatite' as a synonym for Cornish granite and china stone. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
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Cornish granite; china stone; pegmatita (Esp.); pegmatito (Port.); Pegmatit (Deut.); pegmatiet (Ned.) | Cornish granite; china stone; pegmatita (Esp.); pegmatito (Port.); Pegmatit (Deut.); pegmatiet (Ned.) | ||
| − | == | + | ==Resources and Citations== |
* Robert Fournier, ''Illustrated Dictionary of Practical Pottery'', Chilton Book Company, Radnor, PA, 1992 | * Robert Fournier, ''Illustrated Dictionary of Practical Pottery'', Chilton Book Company, Radnor, PA, 1992 | ||
Latest revision as of 13:47, 8 September 2022
Description
A coarse-grain Granite that is composed of Feldspar and Quartz with some Muscovite or Biotite. Sometimes pegmatites may contains gem crystals (Topaz, Tourmaline, Beryl, Fluorite, Apatite, Garnet, Lepidolite) and rare elements (Uranium, Tungsten, Tantalum, Boron, Beryllium and Lithium). Some pottery books formerly used the term 'pegmatite' as a synonym for Cornish granite and china stone.
Synonyms and Related Terms
Cornish granite; china stone; pegmatita (Esp.); pegmatito (Port.); Pegmatit (Deut.); pegmatiet (Ned.)
Resources and Citations
- Robert Fournier, Illustrated Dictionary of Practical Pottery, Chilton Book Company, Radnor, PA, 1992
- Frank A. Lent, Trade names and Descriptions of Marbles, Limestones, Sandstones, Granites and Other Building Stones Quarried in the United States Canada and other Countries., Stone Publishing Co, New York, 1925