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  • New

Long intricated Australian boulder opal as a clasp

Tax excluded


A 37 x 11 mm green and brown Australian boulder opal clasp with flashes.

A very elegant shape and nice shine

Stone-Clasp sold alone. Choose your necklace in the necklace category


available, only one, each opal is unique

 "...For in them you shall see the living fire of the ruby, the glorious purple of the amethyst, the sea green of the emerald, all glittering together in an incredible mixture of light."

Pliny, 1st Century A.D.


A boulder opal is composed of a thin layer of opal, or intricated opal over an ironstone boulder.

It is a natural stone, not manufactured/lab made, and not a douplet, nor a triplet.


Most opals were formed in deeply weathered rocks in arid regions. During high rainfall periods, small amounts of silica were dissolved by water.

As the water evaporated, the remaining silica formed the spherical spheres, which create the myriad of colors that the opal displays, to give the opal its unique beauty of radiant color.


Data sheet

material polished boulder Opal from Australia, natural stone, not treated
type of setting steel
size 37 x 11 mm
clasp sold alone choose your necklace in the necklace categories
color green and brown

Specific References

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