Difference between revisions of "Pegmatite"
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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.) | ||
| − | == | + | == Sources Checked for Data in Record == |
* 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 | ||
Revision as of 13:44, 1 May 2016
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.)
Sources Checked for Data in Record
- 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