Ethiopian Opal 4-9mm Heart Black - 15-16 Inch R0471 Rhyolite has a non to

Rhyolite has a non to crystalline composition similar to granite but with a smaller grain size

Ruby is a precious gemstone known for its deep red color

green and brown to the more rare violet and pink

Crazy Lace Agate is named for its swirling and circular patterns

It is known for its abstract designs in rusty red

Ethiopian Opal 4-9mm Heart Black - 15-16 Inch R0471 Rhyolite has a non toEthiopian 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.