Sunstone 10mm Rough Heishi - 15-16 inch - CLEARANCE Origin_Peru/Mexico features intricate light brown patterns

features intricate light brown patterns on dark brown stones

meaning it forms by replacing another mineral’s crystal structure atom by atom with its own crystal structure

red and white to to as well as for its opacity and patterns

Additionally

Sunstone 10mm Rough Heishi - 15-16 inch - CLEARANCE Origin_Peru/Mexico features intricate light brown patternsSunstone, 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.