A boulder opal pendant
A pear shaped boulder opal pendant with a large play of colour showing red, blue, green and purple. 18x12mm, and set into a modern setting, this marked 75% and testing as 18 carat gold.
Overall size 25x17mm, weight 5.3grams. No hallmark as believe mined, polished and set in Australia. Boulder opal is a rock that contains thin seams and patches of opal surrounded by or attached to its natural host rock. The cutter studies this rock and decides how to cut the best possible gem. That gem might be cut to display seams and patches of precious opal as they appear within their natural host rock. Alternatively, the gem might be cut in an orientation that presents a thin seam of precious opal as the face of the gem with its natural host rock as a backing. Some people also consider "boulder opal" to be an ingenious cutting style that beautifully utilizes small seams and patches of precious opal that are too small to cut into gems of solid opal. Boulder opal is also known as "Natural Opal
Supplied through our High Street retail shop established for over 200 years! You can purchase, in the knowledge as with all Vintage Tom items we offer a written appraisal plus a luxury gift box
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