
1) Calcium mineral
Found on
https://www.crosswordclues.com/clue/weddellite

Weddellite (CaC2O4·2H2O) is a mineral form of calcium oxalate named for occurrences of millimeter-sized crystals found in bottom sediments of the Weddell Sea, off Antarctica. Occasionally, weddellite partially dehydrates to whewellite, forming excellent pseudomorphs of grainy whewellite after weddellite`s short tetragonal dipyramids. It was firs....
Found on
http://en.wikipedia.org/wiki/Weddellite

Ca(O2C-CO2)-2Ha2O;a dihydrate of calcium oxalate; found in renal calculi. ... Compare: whewellite. ... Origin: for Weddell Sea, after James Weddell, Eng. Navigator, + -ite ... (05 Mar 2000) ...
Found on
http://www.encyclo.co.uk/local/20973

Type: Term Pronunciation: wed′del-īte Definitions: 1. A dihydrate of calcium oxalate; found in renal calculi.
Found on
http://www.medilexicon.com/medicaldictionary.php?t=99774
No exact match found.