Choudhary G. (2015) Attractive Composite Quartz Beads. Gems & Gemology, Vol. 51, No. 1, pp 106-107

Attractive blue and golden brown spherical beads in this 145.70 ct string were readily identified as artificial by their appearance. They consisted of metallic golden brown veining and concentrations of blue colour against a whiter body. The body of these beads was identified as quartz, while brown veins were composed of copper and zinc.