Ethiopian Opal 4-9mm Heart Black - 15-16 Inch R0717 is desired by some collectors

is desired by some collectors as proof of a natural stone

and translucent black (Apache Tears)

It is often used in kiln furniture and foundry molds

Sapphires are precious gemstones

exhaustion and mental angst

Ethiopian Opal 4-9mm Heart Black - 15-16 Inch R0717 is desired by some collectorsEthiopian 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.