Ru'tĭle, n.
n. [Lat. rutilus, red, inclining to golden yellow.] (Min.) An ore of titanium, of a reddish-brown color, sometimes passing into red. It occurs usually in prismatic crystals, sometimes massive. Dana.
n. [Lat. rutilus, red, inclining to golden yellow.] (Min.) An ore of titanium, of a reddish-brown color, sometimes passing into red. It occurs usually in prismatic crystals, sometimes massive. Dana.