Biblical meaning of the color blue. In the KJV Bible, the word 'blue' occurs fifty times, all of which are in the Old Testament. The Hebrew word translated as this color is tekeleth (Strong's Concordance #H8504), which is a reference to the animal from which the dye is obtained.
The name malachite derives from the Greek Moloche meaning mallow, because the stone is the same color as mallow leaves. Malachite is copper based, and has been crushed and used as pigments for thousands of years. It has been valued as a gemstone since ancient times.
1 Chemistry: Cu2(CO3)(OH)2, Copper Carbonate Hydroxide. 2  Uses: As mineral specimens, an important ore of copper, as an ornamental stone, a pigment and for jewelry.  Malachite is a famous and very popular semi-precious stone. It is named for the Greek word for mallow, a green herb. Its banded light and dark green designs are one-of-a-kind, and give it a unique ornamental quality unlike that of any other stone.