Australian Chrysoprase with Brown 4mm Microfaceted Round - 15-16 Inch Mookaite Hypersthene is often categorized as

Hypersthene is often categorized as enstatite or ferrosilite

Smoky Quartz is a translucent smoky brown or gray variety of Quartz

striated crystals

and yellow

Fire Opal is a transparent or translucent stone named for the vivid red

Australian Chrysoprase with Brown 4mm Microfaceted Round - 15-16 Inch Mookaite Hypersthene is often categorized asChrysoprase is a bright apple green, translucent stone, whose color often caused ancient jewelers to confuse it with Emerald. A cryptocrystalline Chalcedony, its brilliant color comes from the presence of very small inclusions of Nickel compounds, as opposed to the presence of Chromium which creates Emeralds green color. Chrysoprase is believed to balance the heart chakra and help one understand their needs and emotions.