weddellite


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weddellite

[wə′de‚līt]
(mineralogy)
CaC2O4·2H2O A colorless to white or yellowish-brown to brown, tetragonal mineral consisting of calcium oxalate dihydrate.
References in periodicals archive ?
2]; two samples of the dihydrate of calcium oxalate, weddellite, Ca[C.
Calcium oxalate (CaOx) in the urine presents as octahedral crystals of weddellite ("post envelopes") of sizes from 5 to 15um achieving 50-100 [micro]m in some cases.
1) one could tentatively suggest the presence of whewellite since in pure whewellite this band is found at 1 622/cm whereas in weddellite it occurs at somewhat higher energies (Babic-Ivancic et al.