The mineral calcium titanate, CaTiO3, an accessory mineral in igneous rocks which occurs as yellow, brown, or black orthorhombic pseudocubic…
| 单词 | θ6761 | 
| 释义 | the world > the earth > minerals > types of mineral > oxides and hydroxides > 			[noun]		 > oxides of titanium, tantalum, nickel, or rare earths > perovskite (2)		 perovskite1840 The mineral calcium titanate, CaTiO3, an accessory mineral in igneous rocks which occurs as yellow, brown, or black orthorhombic pseudocubic… knopite1896 A variety of perofskite occurring in lead-grey crystals, in which calcium is partly replaced by cerium.  | 
	
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