|Experience the magnificent power of black agate with Banded Black Agate Gemstone slabs. Banded black agate is said to be a stone for courage, success & protection.In the olden time this was the stone for warriors. Banded Black agate is said to protect from stress and also from bad dreams. Sparkle Gems Exotic uses this amazing semiprecious stone to create unique surfaces for interior applications. We have the expertise to use the different hues & textures of Banded Black agate to produce aesthetically superior slabs which are preferred the world over.