Turquoise. A hydrous phosphate or alumina containing a little copper. It has a blue, or bluish-green color, and usually occurs in kidney-shaped masses with a nodular surface, like that of a bunch of grapes. The fine specimens are worth nearly half as much as diamonds.
“If we confess our sins, he is faithful and just and will forgive us our sins and purify us from all unrighteousness.”
– 1 John 1:9