7.9ct Welo Grey Base Opal Cabochon Rainbow Blaze AAA Natural Opal See Video

A lovely piece of rare grey base opal from welo with an abundance of flash. Perfect for setting in jewellery or adding to a gem collection.

See the video for a better look.

The colours are varied and change according to the light source and angle.
Natural & untreated with no use of water or oils.

Quantity - 1
Carat Weight - 7.9
Gem Type - Natural Welo Opal
Size / mm. (L/W/D) - 20mm/12mm/7mm
Origin - Ethiopia
Treatment - Unheated / Untreated