Weddellite (CaC2O4·2H2O) is a mineral form of calcium oxalate named for occurrences of millimeter-sized crystals found in bottom sediments of the Weddell...
4 KB (256 words) - 06:40, 11 May 2023
hydrates are dihydrate CaC2O4·2H2O, which occurs naturally as the mineral weddellite, and trihydrate CaC2O4·3H2O, which occurs naturally as the mineral caoxite...
16 KB (1,485 words) - 23:11, 27 September 2024
Warikahnite Warwickite Wassonite Water (as solid) Wattersite Wavellite Weddellite Weeksite Weilite Weissite Weloganite Whewellite Whiteite (group of minerals)...
42 KB (2,782 words) - 18:28, 20 October 2024
image of the surface of a kidney stone showing tetragonal crystals of Weddellite (calcium oxalate dihydrate) emerging from the amorphous central part of...
67 KB (8,141 words) - 21:07, 20 October 2024
Domeneghetti, M.C. (1980). "The crystal structures of whewellite and weddellite: re-examination and comparison". American Mineralogist. 65: 327–334. Retrieved...
5 KB (274 words) - 10:26, 30 May 2024
micrograph of the surface of a kidney stone showing tetragonal crystals of weddellite (calcium oxalate dihydrate) emerging from the amorphous central part of...
132 KB (13,797 words) - 23:46, 18 October 2024
substances: Calcium oxalate monohydrate (whewellite) Calcium oxalate dihydrate (weddellite) Calcium phosphate Magnesium phosphate Ammonium phosphate Ammonium magnesium...
17 KB (1,784 words) - 00:36, 22 August 2024
micrograph of the surface of a kidney stone showing tetragonal crystals of weddellite (calcium oxalate dihydrate) emerging from the amorphous central part of...
19 KB (1,567 words) - 08:50, 18 September 2024
weddellite, whewellite, and zhemchuzhnikovite. Oxalates are often associated with particular fossilized biological materials, for example weddellite with...
10 KB (1,110 words) - 04:39, 28 July 2024
Weberite Web Whelanite Wla Wilhelmgümbelite Wgü Wonesite Wns Wallisite Wal Weddellite Wed Wherryite Whr Wilhelmkleinite Wkl Woodallite Wod Wallkilldellite Wlk...
180 KB (418 words) - 05:15, 30 June 2024
monohydrate, or whewellite (CaC2O4·H2O), and calcium oxalate dihydrate, or weddellite (CaC2O4·2H2O). Their appearance can be rough, smooth, spiculated (needle-like)...
18 KB (2,216 words) - 11:47, 15 July 2024
species); some extant examples also contain extracellular secretions of weddellite (calcium oxalate, CaC2O4), secreted in the mucilage layer. Calcification...
5 KB (569 words) - 21:05, 14 October 2023
renal sac contains nitrogenous wastes, solid concretions composed of weddellite and calcite, and an apicomplexan symbiont called Nephromyces. In the western...
12 KB (975 words) - 16:30, 25 October 2024
stepanovite, 25 minguzzite, 30 wheatleyite, 35 zhemchuzhnikovite, 40 weddellite, 45 whewellite, 50 caoxite, 55 oxammite, 60 natroxalate, 65 coskrenite-(Ce)...
4 KB (299 words) - 05:25, 14 February 2022
koningii is also reported to produce calcium oxalate crystals, particularly weddellite, via biomineralization. The process occurs intracellularly and extracellularly...
20 KB (2,024 words) - 07:48, 19 May 2024
pruina resembling dense points near the lobe tips. These pruina contain weddellite, a mineral form of calcium oxalate. There are distinct pseudocyphellae...
12 KB (1,059 words) - 01:51, 14 May 2024
zones. The white crystalline zone contains calcium oxalate dihydrate, or weddellite, a chemical substance found in other lichens and extremophiles growing...
20 KB (2,172 words) - 14:19, 4 October 2024
25 [104] [105] [106] (IUPAC: disodium magnesium heptafluoroaluminate) Weddellite (oxalate: 1936) 10.AB.40 [107] [108] [109] (IUPAC: calcium oxalate dihydrate)...
33 KB (2,391 words) - 17:36, 9 February 2024
The calcium oxalate crystals occur in the tetragonal form, known as weddellite. A study on the related species Geastrum saccatum has shown that these...
27 KB (2,732 words) - 12:10, 2 June 2024
"Determinant factors for the formation of the calcium oxalate minerals, weddellite and whewellite, on the surface of foliose lichens". The Lichenologist...
59 KB (5,518 words) - 02:16, 18 September 2024