Pisolite

Pisolite

A pisolite is a sedimentary rock formed from pisoliths. These are concretions - often of calcium carbonate, but commonly in rarer minerals - which resemble ooids.These grains are approximately spherical, and comprise concentric layers reaching 5-8 mm in diameter.

The name derives from the Hellenic word for pea. Bauxites, limonites and siderites often have a pisolitic structure.

External links

[http://www.mindat.org/min-26778.html Mindat] . Includes image.


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  • Pisolite — Pi so*lite, n. [Gr. ? a pea + lite: cf. F. pisolithe.] (Min.) A variety of calcite, or calcium carbonate, consisting of aggregated globular concretions about the size of a pea; called also {peastone}, {peagrit}. [1913 Webster] Note: O[ o]lite is… …   The Collaborative International Dictionary of English

  • pisolite — [pī′sə līt΄, piz′əlīt] n. [< Gr pison,PEA + LITE] 1. a small, spherical body, commonly composed of calcium carbonate, found in sedimentary rock 2. a sedimentary rock, as limestone, containing many such bodies pisolitic [pī′sōlit′ik,… …   English World dictionary

  • pisolite — ● pisolithe ou pisolite nom féminin (du latin pisum, pois) Concrétion ovoïde à structure concentrique, de taille supérieure à 2 mm. ⇒PISOLIT(H)E, (PISOLITE, PISOLITHE)subst. fém. GÉOL. Concrétion calcaire sphérique à structure concentrique, d un… …   Encyclopédie Universelle

  • pisolite — noun Etymology: New Latin pisolithus, from Greek pisos pea + lithos lith Date: 1708 a limestone composed of pisiform concretions • pisolitic adjective …   New Collegiate Dictionary

  • pisolite — pisolitic /pis euh lit ik, piz , puy seuh /, adj. /pis euh luyt , piz , puy seuh /, n. limestone composed of rounded concretions about the size of a pea. [1700 10; < NL pisolithus < Gk píso(s) PEA + líthos LITE] * * *       spheroidal crystalline …   Universalium

  • pisolite — noun A sedimentary rock formed from pisoliths …   Wiktionary

  • pisolite —    See cave pearl …   Lexicon of Cave and Karst Terminology

  • pisolite — pi·so·lì·te s.f. TS mineral. aggregato di cristalli granulari o fibrosi che ricordano, nella forma, un pisello {{line}} {{/line}} DATA: av. 1730. ETIMO: comp. del gr. písos pisello e di 1 lite …   Dizionario italiano

  • pisolite — pl.f. pisoliti …   Dizionario dei sinonimi e contrari

  • pisolite — n. Calcareous tufa, pea grit, pea stone …   New dictionary of synonyms

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