Cacoxenite 3-5x14-16mm Freeform Hexagon Wheel - 15-16 Inch gemstone-collar-sets Biotite is a name used

Biotite is a name used for a large group of black mica minerals that are commonly found in igneous and metamorphic rocks

however they are not currently sourced from that particular region

The name of this particular calcite probably came about because of its distinct ocean blue and tan bands

brown and tan with some beads or inclusions of rust and rose

Shungite has been used as a folk medical treatment since the early 18th century

Cacoxenite 3-5x14-16mm Freeform Hexagon Wheel - 15-16 Inch gemstone-collar-sets Biotite is a name usedCacoxenite is the trade name for this naturally occurring blend of seven stone types. It was originally named for the visible inclusions of the mineral Cacoxenite. However, this stone, often called the "Super Seven" or "Melody Stone" contains Amethyst, Clear Quartz, Smoky Quartz, Lepidocrosite, Goethite, and Rutile as well.