Yellow Jade 8mm Cross - 15-16 Inch Indigo The inclusions are of manganese

The inclusions are of manganese or iron

Botswana Agate displays highly defined parallel banding

Peter the Great set up Russia's first spa in Karelia to make use of the water purifying properties of shungite

commonly known as Limestone

The color of Smoky Quartz is due to natural irradiation and traces of aluminum within the cryst

Yellow Jade 8mm Cross - 15-16 Inch Indigo The inclusions are of manganeseYellow Jade is not actually Jade, but a form of natural Serpentine which is commonly referred to as Yellow Jade in the stone industry. This semi to translucent stone occurs in an array of hues, from deep oranges to creamy off to white tones. As a Serpentine, Yellow Jade is a magnesium iron phyllosilicate and may contain other elements including chromium, manganese, cobalt or nickel.