释义 |
jarlite Min.|ˈjɑːlaɪt| [f. the name of C. F. Jarl, 20th-century Danish mining official: see -ite1.] A colourless to greyish-white fluoride of sodium, strontium, and aluminium, NaSr3Al3F16, found as monoclinic crystals at Ivigtut, Greenland.
1933R. Bøgvad in Meddelelser om Grønland XCII. viii. 3 The mineral has been named jarlite, after Mr. C. F. Jarl, by whose courtesy I have been enabled to carry out the present investigations. 1949Amer. Mineralogist XXXIV. 386 Jarlite..occurs as colorless, flat crystals about 1mm. in size, often fused in the shape of a fan and growing with thomsenolite in vugs in the cryolite. |