What is Turquoise?
{{dablink|For the colour, see [[Turquoise (colour)]].}} [[File:Turquoise.pebble.700pix.jpg|thumb|right]] '''Turquoise''' is an [[Opacity (optics)|opaque]] (cannot be seen through), blueish-green [[mineral]]. It is not common and can be valuable in finer grades. It has been prized as a [[gemstone|gem]] and [[ornamental stone]] for thousands of years because of its interesting coloring. The word 'turquoise' means Turkish in French. {{sci-stub}} {{Jewellery}} [[Category:Gemstones]] [[Category:Birthstones]]