agaphiten.

Brit.

/ˈaɡəfʌɪt/, U.S.

/ˈæɡəfaɪt/

Origin: From a proper name, combined with an English element; modelled on a French lexical item. Etymons: proper name Agaphi , -ite suffix¹.

Etymology: < the name of Demetrius Agaphi (d. 1795), Greek-born Russian naturalist who visited the regions of Persia (now Iran) where the turquoise is found + -ite suffix¹, after French agaphite (G. Fischer 1811, in Bull. de la Soc. Impériale des Naturalistes de Moscou 1 149). Compare German Agaphit (1814 or earlier).

Mineralogy. Now historical and rare.

A variety of turquoise having a conchoidal form.

ΘΚΠ

the world > the earth > minerals > types of mineral > phosphates > [noun] > hydrous aluminium or copper

turquoise1398

Turkey1487

Turkish stone1577

Turkey stone1607

turquoise stone1796

agaphite1819

chalchuite1843

henwoodite1876

society > occupation and work > materials > raw material > gem or precious stone > turquoise > [noun] > varieties of

callais1587

augites1601

agaphite1819

chalchuite1843

spider-web1936

1819 Ann. Philos. 14 414 The agaphite varies most in colour. It occurs of the palest and of the deepest sky blue.

1822 P. Cleaveland Elem. Treat. Mineral. & Geol. (ed. 2) I. 279 The latter variety, to which Fischer gives the name of Agaphite, has not been analyzed.

1868 A. Ramsay Rudim. Mineral. xi. 316 Calaite. (Syn. Turquois; Agaphite; Johnite.)

1915 Mem. Nat. Acad. Sci. 12 21 Fischer..proposed three varietal names, based upon differences in color, fracture, weight, and occurrence, as follows:..(2) Agaphite; conchoidal variety occurring in a porphyry or lava.

This entry has been updated (OED Third Edition, September 2012; most recently modified version published online December 2021).

单词	agaphite
释义	agaphiten. Brit. /ˈaɡəfʌɪt/, U.S. /ˈæɡəfaɪt/ Origin: From a proper name, combined with an English element; modelled on a French lexical item. Etymons: proper name Agaphi , -ite suffix¹. Etymology: < the name of Demetrius Agaphi (d. 1795), Greek-born Russian naturalist who visited the regions of Persia (now Iran) where the turquoise is found + -ite suffix¹, after French agaphite (G. Fischer 1811, in Bull. de la Soc. Impériale des Naturalistes de Moscou 1 149). Compare German Agaphit (1814 or earlier). Mineralogy. Now historical and rare. A variety of turquoise having a conchoidal form. ΘΚΠ the world > the earth > minerals > types of mineral > phosphates > [noun] > hydrous aluminium or copper turquoise1398 Turkey1487 Turkish stone1577 Turkey stone1607 turquoise stone1796 agaphite1819 chalchuite1843 henwoodite1876 society > occupation and work > materials > raw material > gem or precious stone > turquoise > [noun] > varieties of callais1587 augites1601 agaphite1819 chalchuite1843 spider-web1936 1819 Ann. Philos. 14 414 The agaphite varies most in colour. It occurs of the palest and of the deepest sky blue. 1822 P. Cleaveland Elem. Treat. Mineral. & Geol. (ed. 2) I. 279 The latter variety, to which Fischer gives the name of Agaphite, has not been analyzed. 1868 A. Ramsay Rudim. Mineral. xi. 316 Calaite. (Syn. Turquois; Agaphite; Johnite.) 1915 Mem. Nat. Acad. Sci. 12 21 Fischer..proposed three varietal names, based upon differences in color, fracture, weight, and occurrence, as follows:..(2) Agaphite; conchoidal variety occurring in a porphyry or lava. This entry has been updated (OED Third Edition, September 2012; most recently modified version published online December 2021). < n.1819
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