blue angel vs turquoise

blue angel

• A blue flame produced by lighting one's flatus. 

• A mollusc of genus Glaucus. 

turquoise

• A pale greenish-blue colour, like that of the gemstone. 

• A sky-blue, greenish-blue, or greenish-gray semi-precious gemstone. 

• turquoise 

• Having a pale greenish-blue colour. 

• Made of turquoise (the gemstone).