tilasiten.

/ˈtiːləsʌɪt/

Etymology: < Swedish tilasit (H. Sjögren 1895, in Geol. Föreningens i Stockholm Förhandl. XVII. 291), < the name of D. Tilas (1712–72), Swedish mining engineer: see -ite suffix¹.

Mineralogy.

A fluor-arsenate of calcium and magnesium, CaMg(AsO₄)F, that is isostructural with sphene and occurs as translucent monoclinic crystals that are colourless, green, or greyish.

ΘΚΠ

the world > the earth > minerals > types of mineral > arsenates > [noun] > others of two plus elements

kœttigite1850

synadelphite1892

retzian1895

fluor-adelite1897

tilasite1897

schallerite1925

smolyaninovite1957

talmessite1961

1897 Jrnl. Chem. Soc. 72 ii. 325 Tilasite or fluor~adelite from Långban... Irregular grains of this new mineral are found with hausmannite, berzeliite and calcite in a grey limestone.

1968 I. Kostov Mineral. ii. 463 Tilasite and isokite are monoclinic (C2/c), isostructural with sphene.

1979 Mineral. Abstr. XXX. 293/1 Tilasite crystals <2·5 mm across have been found with friedelite and baryte at the Sterling Hill mine, Ogdensburg, Sussex County, New Jersey.

This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2018).

单词	tilasite
释义	tilasiten. /ˈtiːləsʌɪt/ Etymology: < Swedish tilasit (H. Sjögren 1895, in Geol. Föreningens i Stockholm Förhandl. XVII. 291), < the name of D. Tilas (1712–72), Swedish mining engineer: see -ite suffix¹. Mineralogy. A fluor-arsenate of calcium and magnesium, CaMg(AsO₄)F, that is isostructural with sphene and occurs as translucent monoclinic crystals that are colourless, green, or greyish. ΘΚΠ the world > the earth > minerals > types of mineral > arsenates > [noun] > others of two plus elements kœttigite1850 synadelphite1892 retzian1895 fluor-adelite1897 tilasite1897 schallerite1925 smolyaninovite1957 talmessite1961 1897 Jrnl. Chem. Soc. 72 ii. 325 Tilasite or fluor~adelite from Långban... Irregular grains of this new mineral are found with hausmannite, berzeliite and calcite in a grey limestone. 1968 I. Kostov Mineral. ii. 463 Tilasite and isokite are monoclinic (C2/c), isostructural with sphene. 1979 Mineral. Abstr. XXX. 293/1 Tilasite crystals <2·5 mm across have been found with friedelite and baryte at the Sterling Hill mine, Ogdensburg, Sussex County, New Jersey. This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2018). < n.1897
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