Yowah Boulder Opal Rough | 2.22g | Australia Bitumen It may appear champagne green

It may appear champagne green in daylight then blush into soft pink or raspberry tones under warm indoor light

The mineral was first identified in Japan in 1944 by petrologist Kenichi Sugi

Origin: Hot Springs

and (pink) Lithium

and emotional harmony

Yowah Boulder Opal Rough | 2.22g | Australia Bitumen It may appear champagne greenYowah Boulder Opal Rough 2. 22g Australia A natural Yowah Boulder Opal rough specimen weighing 2. 22g from Yowah, Queensland, Australia. Each piece is completely unique, displaying natural flashes of colour set within its ironstone matrix. One available. Sold as seen. Boulder Opal is a hydrated silicon dioxide mineraloid that forms when silica rich solutions fill natural cracks within ironstone host rock. Unlike seam opal, it remains attached to its