COLLECTION OF UNMOUNTED OR CARVED OPALS
Comprising a Yowah Nut 17.8 x 24.7 mm; A black boulder opal gem; Crystal black and white opals; Gem black, gray and white opals. 146.9 cts. TW. Two carved matrix or boulder opals in the form of horse heads. 165.5 cts. TW, larger 2" x 1 1/2".
Estimate: $2,000 - $3,000
Round black crystal opal is crazed.