Cubic Zirconia (CZ) 3mm Round Emerald Green Faceted (Synthetic) - 15-16 Inch tucson2026-Micros2 which may form green stains

which may form green stains or specks on Azurite crystals or aggregates

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

where it was mined since around 300 BCE

Azurite is a Copper carbonate mineral that forms in masses

Cubic Zirconia (CZ) 3mm Round Emerald Green Faceted (Synthetic) - 15-16 Inch tucson2026-Micros2 which may form green stainsZircon 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.