20.2ct Triangular Cut Australian Boulder Opal Cabochon

20.2ct Triangular Cut Australian Boulder Opal CabochonFrom the region of known as Koroit, this Australian opal has a beautiful yet rustic appeal. The piece shows a unique delicate pattern of precious opal contrasting beautifully against the earthy ironstone. This piece also has an absolutely amazing level of polish which is very difficult to achieve on most opals with ironstone. Stone Type Opal Boulder Cut Free Form Triangular Cut Weight 20. 2ct Dimensions 18. 3x18. 4x18. 9 (6. 75mm deep) Colour Mix

it was sourced through our enrichment program in Madagascar and part of the profits will go towards furthering education and supporting disabled workers in Madagascar

The pieces are al very clean and most should easily cut eye clean stones

This lovely natural zircon has a sublte light yellow/orange tone and great sparkle from an excellent cut

The rough stone was sourced from the ladies collective we support in South West Madagascar and cut in the countries capitol as part of another of our endeavors supporting a local cutting business

3mm Colour White/colourless Clarity VS Treatment None Origin Australia

This piece is natural and not treated in any way

18ct Dimensions 7

These two fractures will have very little impact on the yield if cutting in the obvious orientation of having the C-axis as the table of the stone as those areas would be removed in preforming anyway

This lovely light bright green tourmaline is beautifully cut with great light return enhanced by the gem's excellent clarity

The piece mainly has soft red fire with touches of green and yellow

45mm Colour Green Clarity VS Treatment None Origin Madagascar

Approx 27x11x9mm