Ethiopian Opal 5-10mm Heart Brown - 15-16 Inch pale blue gray and black

gray and black

Tourmaline is unusual in that it is both pyroelectric and piezoelectric

a phenomenon that occurs when light hits the chips of silica inside the gemstone and a rainbow of different colors refract inside the stone

Spinel is a hard vitreous magnesium aluminum oxide

Iolite most commonly occurs in shades of blue-gray

Ethiopian Opal 5-10mm Heart Brown - 15-16 Inch pale blue gray and blackEthiopian Opal was first discovered in Ethiopia in 1994, with additional major finds in 2008 and 2013. Beautiful specimens of Precious Opal, Fire Opal and Black Opal with spectacular play of color are now being found in these areas. Ethiopian Opal typically occurs in brown, red or orange body color, yet yellow, white and clear stones are also seen.