Topaz 4mm Round Faceted - 15-16 Inch 26-Sep and often features color banding

and often features color banding

Like all obsidian

Australian Butter Jasper is a relatively new variation of Jasper that definitely meets that criteria

Usually occurring in a deep red color

Topaz 4mm Round Faceted - 15-16 Inch 26-Sep and often features color bandingTopaz is a rare silicate mineral and obtains much of its popularity from its beautiful colors and its status as a birthstone. Topaz occurs in a wide range of natural colors; however, most natural topaz is colorless. The most highly regarded colors are the reds and pinks, which receive their color from trace amounts of chromium. The name "topaz," and variants of the name in other languages, have been used for yellowish gemstones for at least two