Rainbow Calsilica sterling silver Pendant Antique Bronze Spinel (Black): Black spinel stone

Spinel (Black): Black spinel stone is a rare gemstone made up of hard vitreous magnesium aluminum oxide or magnesium aluminate

It is also said to be a protective stone

These trilobite fossils are from the Phacops genus

or cylinder

Rainbow Calsilica sterling silver Pendant Antique Bronze Spinel (Black): Black spinel stoneThis Rainbow Calsilica sterling silver Pendant features a wonderful array of vibrant colors throughout the pendant. No two are alike! Rainbow Calsilica is a man made material created for the gemstone market from carbonate rock (aka calcite or powdered limestone) and plastic set in resin and colored by artificial coloring pigments. Rainbow calsilica gets its name from its layers of vibrant colors spanning the visible spectrum as well as its design of