WebWeddellite can be found as authogenic crystals in sea floor mud. It also has been reported in peat bearing sediments and in calcite bearing lacustrine sediments. It occurs with whewellite, urea, phosphammite, and aphthitalite. Together, whewellite and weddellite are the most common renal calculi (kidney stones). WebJan 2, 2014 · Whewellite and weddellite, calcium salts of oxalic acid, have been found in the litter layer of several different soils, indicating that oxalate is a major metabolic …
Weddellite - an overview ScienceDirect Topics
WebMost notably, the prominent bands of calcium oxalate at 1324 and 780 cm −1 were present [].The band presence at 1324 cm −1 is typical of whewellite represent stretching [].As gypsum is also present, the calcium oxalate band around 1640–1620 cm −1 cannot be clearly established (Figure 2) [].. The presence of organic matter was highlighted … WebWhewellite - This is an exceptional colorless crystal for the species. Twinned. Small but very nice. . This and many more mineral specimens are available for sale at Dakota Matrix Minerals. hiking trails in northern mn
Whewellite: Mineral information, data and localities. - Mindat.org
WebHardness: 2½ - 3. Specific Gravity: 2.21 - 2.23. Crystal System: Monoclinic. Name: Named in honor William Whewell (24 May 1794, Lancaster, Lancashire, England - 6 March … WebDec 1, 2011 · Patients with kidney stones should increase fluid intake to at least 2 L per 24 hours. Kidney stone type should be identified when possible, even on initial stone … Whewellite /ˈhjuːəlaɪt/ is a mineral, hydrated calcium oxalate, formula Ca C2O4·H2O. Because of its organic content it is thought to have an indirect biological origin; this hypothesis is supported by its presence in coal and sedimentary nodules. However, it has also been found in hydrothermal deposits where a biological source appears improbable. For this reason, it may be classed as a … small web font