出典:Wiktionary
出典:Wikipedia
出典:『Wikipedia』 (2011/06/15 12:56 UTC 版)
Otavite is a rare cadmium carbonate mineral with formula: CdCO3. Otavite crystallizes in the trigonal system and forms encrustations and small scalenohedral crystals that have a pearly to adamantine luster. The color is white to reddish to yellow brown. Its Mohs hardness is 3.5 to 4 and the specific gravity is 5.04. Associated minerals include azurite, calcite, malachite, and smithsonite.