TERMIUM Plus®

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SOUTH AFRICAN WONDERSTONE [1 record]

Record 1 2008-09-09

English

Subject field(s)
  • Mineralogy
  • Gemmology
  • Jewellery
DEF

A massive, white, gray, grayish-white, greenish, brownish-green or yellowish mineral species, talclike in appearance [which] is used for slate pencils and carvings and includes part of what is known as agalmatolite.

OBS

It has been used both as an ornamental stone and as a container for the reaction constituents in the synthesis of industrial diamonds.

OBS

Massive pyrophyllite corresponds to the Chinese carving material called agalmatolite.

OBS

pyrophyllite: term used at Natural Resources Canada - Earth Sciences Sector.

French

Domaine(s)
  • Minéralogie
  • Gemmologie
  • Joaillerie et bijouterie
DEF

Minéral de couleur blanche, jaunâtre ou verdâtre [de] la sous-classe des phyllosilicates [consistant en] un silicate basique hydraté d'aluminium qui cristallise dans le système monoclinique [et] se présente en lamelles facilement clivables, en petits amas cristallins ou fibroradiés.

OBS

Voisine de l'albâtre en apparence et utilisée autrefois comme elle en sculpture. Parfois de couleur verte, elle se rapproche vaguement du jade.

OBS

La pyrophyllite massive est employée pour la fabrication de petits objets ornementaux en «pagodite».

OBS

Étymologie : du grec «pûros», feu, et «phullon», feuille. Allusion à la structure en feuille qui s'exfolie au feu.

OBS

pyrophyllite : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.

Spanish

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