Bicolor Sunstone 10mm Round - 15-16 Inch beadalon It is a rare variety

It is a rare variety of Pectolite

one of the first known to man

consisting of opaque rust to red glass with tiny flecks of glittering copper suspended within it

Shattuckite is a pseudomorph

Apatite can exhibit chatoyancy — an uncommon optical phenomenon in some stones that resembles the light reflection of a cat’s eye

Bicolor Sunstone 10mm Round - 15-16 Inch beadalon It is a rare varietySunstone, a variety of Feldspar, is aptly named for its shades of gold, orange, red and brown, as well as its iridescent sparkle. As the stone catches the light, inclusions of Goethite or Hematite refract the light between the layers of the crystal, producing the effect of the stone seeming to shine from within.