![4.57 ct Australian Boulder Opal](http://shamydesigns.com/cdn/shop/products/Opal-Boulder-4-57_large.jpg?v=1512574344)
4.57 ct Australian Boulder Opal
Multicolor Australian boulder opal displaying the full range of spectral colors.
Measurements: 16 x 8 mm
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Multicolor Australian boulder opal displaying the full range of spectral colors.
Measurements: 16 x 8 mm