Turquoise Property
Turquoise is one of the oldest stones exploited for more than 7000 years in Mesopotamia. Its color, caused by copper, is usually blue but can have green colors. Turquoise is frequently mottled with veins of the matrix in general, it is brown limonite or black manganous oxide. Its turquoise matrix is called a "spider's web".Features of Turquoise Beads
Crystallography: Triclinic Mohs hardness: 5-6 Birthstone: December Typical treatments: Impregnation, Surface Coating Occurrence:America, China, Mexico, Iran