| 释义 |
weddellite Min.|ˈwɛdəlaɪt|
[f. the name of the Weddell Sea, Antarctica, where it was first found + -ite1.]
A hydrated calcium oxalate, CaC2O4.2H2O, which occurs as colourless tetragonal crystals and is common in calculi.
1942Frondel & Prien in Science 24 Apr. 431/1 Stones [formed in the body] composed wholly of carbonate⁓apatite are relatively rare. Whewellite (CaC2O4·H2O), weddellite (CaC2O4·2H2O) and especially struvite..are ordinarily present. 1961Lancet 26 Aug. 452/1 (caption) The large crystals in the centre of the field were of calcium oxalate dihydrate (weddellite). 1976Chem. Abstr. 20 Sept. 190/1 (heading) Whewellite (CaC2O4·H2O) and weddellite (CaC2O4·2H2O) from the Upper Cretaceous limestone near Zminj in Istria (Croatia, Yugoslavia). |