Modern Moroc Grandidierite stones brooch contemporary art jewelry

Grandidierite stones set in a contemporary art brooch. Grandidierite in orange, deep blue green stones,Gem material is translucent to transparent. Generally opaque. Grandidierites display strong trichroic pleochroism. That means they can show three different colors depending on the viewing angle: dark blue-green, colorless (sometimes very light yellow), or dark green, set in a gold plated, silver backed brooch. Contemporary art modern style.