NATURAL BLACK BOULDER OPAL ring

NATURAL BLACK BOULDER OPAL
(Precious Black Opal in natural Ironstone Matrix)

a sleek and elegant 14k gold ring, circa 1905-10, all original fine condition.

MATRIX OPAL, also called BOULDER OPAL, cut and polished specimen of natural formation, from the Australian mines, possibly Western Queensland.

Cabochon size 15.5 mm x 10.5 mm (x depth 4.75mm)

Length along the finger, 5/8"

Quality mark : 14K

Finger size : 5-1/2 to 5-3/4
gross weight : .118 troy ounce

# krb 21405 ........................................................SOLD