Definition of "lazulite" [laz•u•lite]

• A relatively rare blue mineral, (Mg, Fe)Al2(PO4)2(OH)2, with a vitreous luster. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "They were fastened at each tip by tiny nets sewn with lazulite beads as blue as her eyes."
• "I catch a glimpse of her uneven bluish teeth, set like mismatched pegs of lazulite into gums the colour of a stormy autumn sky."
• "Besides the colouring principle of the lazulite, there are always more or less mica and iron pyrites, the latter a lustrous yellow bisulphide of iron, which has often been mistaken for pellets of gold."