Cubic Zirconia (CZ) 3mm Round Lapis Pearl (Synthetic) - 14.5-15 Inch Round though it also can occur

though it also can occur in dark brown and golden colors

cobalt or nickel

which takes millions of years

Gem Silica occurs in a vivid blue green color due to the presence of copper in the stone and is free of inclusions of other minerals

Composite beads may also be called "mosaic beads" because of the visible fragments

Cubic Zirconia (CZ) 3mm Round Lapis Pearl (Synthetic) - 14.5-15 Inch Round though it also can occurZircon occurs in a variety of colors including yellow, green, red, reddish brown and blue hues, as well as colorless. Colorless Zircon of the highest quality has been mistaken for Diamond throughout history, and is sometimes referred to as Matara Diamond after the City in Sri Lanka near where the stone is mined.