ioliten.

/ˈʌɪəlʌɪt/

Forms: Also yolite, iolithe.

Etymology: = German iolith (Werner, 1808), < Greek ἴον violet + λίθος stone: see -lite comb. form¹.

Mineralogy.

A silicate of aluminium, iron, and magnesium, occurring in short orthorhombic crystals, or granular; of various shades of blue or violet-blue, and commonly showing different colours in different directions; very subject to alteration by exposure, giving rise to many varieties. Also called cordierite n. or dichroite n.

ΘΚΠ

the world > the earth > minerals > types of mineral > silicates > cyclosilicates > [noun] > cordierite

water sapphire1698

dichroite1810

iolite1810

cordierite1814

peliom1820

saphir d'eau1820

weissite1836

indialite1954

1758 Sir J. Hill (title) An Account of a Stone [etc.]..with the History of the Iolithos, or Violet Stone, of the Germans.]

1810 Jrnl. Nat. Philos. Nov. 235 The denomination of yolite (violet stone).

1821 R. Jameson Man. Mineral. 193 Prismato-Rhomboidal Quartz, or Iolite.

1831 D. Brewster Treat. Optics xxx. 249 M. Cordier observed the same change of colour in a mineral called iolite, to which Haüy gave the name of dichroite.

1868 J. D. Dana Syst. Mineral. (ed. 5) §287 Iolite..Lustre vitreous. Pleochroic, being often deep blue along the vertical axis, and brownish yellow or yellowish gray perpendicular to it.

This entry has not yet been fully updated (first published 1900; most recently modified version published online March 2022).

单词	iolite
释义	ioliten. /ˈʌɪəlʌɪt/ Forms: Also yolite, iolithe. Etymology: = German iolith (Werner, 1808), < Greek ἴον violet + λίθος stone: see -lite comb. form¹. Mineralogy. A silicate of aluminium, iron, and magnesium, occurring in short orthorhombic crystals, or granular; of various shades of blue or violet-blue, and commonly showing different colours in different directions; very subject to alteration by exposure, giving rise to many varieties. Also called cordierite n. or dichroite n. ΘΚΠ the world > the earth > minerals > types of mineral > silicates > cyclosilicates > [noun] > cordierite water sapphire1698 dichroite1810 iolite1810 cordierite1814 peliom1820 saphir d'eau1820 weissite1836 indialite1954 1758 Sir J. Hill (title) An Account of a Stone [etc.]..with the History of the Iolithos, or Violet Stone, of the Germans.] 1810 Jrnl. Nat. Philos. Nov. 235 The denomination of yolite (violet stone). 1821 R. Jameson Man. Mineral. 193 Prismato-Rhomboidal Quartz, or Iolite. 1831 D. Brewster Treat. Optics xxx. 249 M. Cordier observed the same change of colour in a mineral called iolite, to which Haüy gave the name of dichroite. 1868 J. D. Dana Syst. Mineral. (ed. 5) §287 Iolite..Lustre vitreous. Pleochroic, being often deep blue along the vertical axis, and brownish yellow or yellowish gray perpendicular to it. This entry has not yet been fully updated (first published 1900; most recently modified version published online March 2022). < n.1810
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