SYENITES

SYENITES
apud Diodorum sic. ubi de monumento Regis Olymaudae, haud longe a Thebis, In introitu autem statuas esse tres, ex uno omnes lapide Memnonis Syenitae, ut vulgo legitur: nonnullis Statuarius est, Memnon Syenita dictus, cuius opus tres illas statuas esse volunt. Sed ex uno lapide Syenite caesas et factas legendum esse, docet Salmas. ad Solin. p. 475.

Hofmann J. Lexicon universale. 1698.

Look at other dictionaries:

  • SYÉNITES ET SYÉNITES NÉPHÉLINIQUES — Le mot «syénite» désignait, du temps de Pline, les roches de Syène (Assouan), en Haute Égypte. Il fut appliqué par A. G. Werner (1788) à des roches à amphibole (hornblende) de la région de Dresde, qui se sont révélées plus tard pratiquement… …   Encyclopédie Universelle

  • syenite — syenitic /suy euh nit ik/, adj. /suy euh nuyt /, n. a granular igneous rock consisting chiefly of orthoclase and oligoclase with hornblende, biotite, or augite. [1790 1800; < L syenites (lapis) (stone) of SYENE < Gk syenítes (líthos); see ITE1] * …   Universalium

  • Nepheline syenite — of the Intrusive Complex of Tanguá, State of Rio de Janeiro, Brasil (Motoki et al., 2011a) Nephelene syenite is a holocrystalline plutonic rock that consists largely of nepheline and alkali feldspar. The rocks are mostly pale colored, grey or… …   Wikipedia

  • syénite — [ sjenit ] n. f. • 1765; siémite 1611; lat. syenites, gr. suênitês « de Syène », a. nom d Assouan ♦ Minér. Roche plutonique grenue, composée essentiellement de feldspath alcalin, d un peu de biotite et de hornblende, de couleur blanche, rosée ou… …   Encyclopédie Universelle

  • Litchfieldite — is a rare metamorphosed igneous rock. It is a variety of nepheline syenite and is composed of two near pure phases of feldspar, albite and microcline, with predominance of the first one, plus nepheline, sodalite, cancrinite and calcite. The mafic …   Wikipedia

  • Some typical occurrences of the rock-forming feldspars — ▪ Table Some typical occurrences of the rock forming feldspars Potassium feldspars* sanidine potassium rich volcanic rocks and near surface minor intrusions e.g., rhyolites, trachytes, and high temperature contact metamorphic rocks orthoclase… …   Universalium

  • Geochemistry — The field of geochemistry involves study of the chemical composition of the Earth and other planets, chemical processes and reactions that govern the composition of rocks and soils, and the cycles of matter and energy that transport the Earth s… …   Wikipedia

  • Leucite — is a rock forming mineral composed of potassium and aluminium tectosilicate K [AlSi2O6] . Crystals have the form of cubic icositetrahedra but, as first observed by Sir David Brewster in 1821, they are not optically isotropic, and are therefore… …   Wikipedia

  • Borolanite — is one of the most remarkable rocks of the British Isles, found on the shores of Loch Borolan in Sutherland shire, after which it has been named. In this locality there is a considerable area of granite rich in red alkali feldspar, and passing,… …   Wikipedia

  • amphibole — /am feuh bohl /, n. Mineral. any of a complex group of hydrous silicate minerals, containing chiefly calcium, magnesium, sodium, iron, and aluminum, and including hornblende, tremolite, asbestos, etc., occurring as important constituents of many… …   Universalium

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