A valuable, rare & very beautiful type of opal, Mexican contraluz rutile opal is well known to display a stunning multi colour rainbow display when exposed to transmitted light. This is known as contraluz and is only found in the type of opal, hence the name.
Only a very small quantity of this material is mined displaying this rare contraluz colour display. This material is exceedingly rare.
This is a lovely freeform polished piece. As the material is so rare it is seldom cut into cabochons to avoid waste of such fine material.
Quantity - 1 Carat Weight - 21 Gem Type - Natural Mexican Fire Opal Size / mm. (L/W/D) - 20mm/16mm/14mm Origin - Mexico Treatment - Unheated / Untreated
