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Home » Gemstones » Opal » Boulder Opal

Boulder Opal
Pictures of Boulder Opal


What is Boulder Opal?



"Boulder opal" is a term used for a rough or a cut gemstone that displays opal within its surrounding rock matrix. Opal often forms within voids or fractures in its host rock and specimens of boulder opal reveal this aspect of opal's origin. The contrast of color can be striking when a bright flash of opal is seen within a the surrounding rock material. Many people enjoy the natural appearance of boulder opal and find these gemstones to be beautiful, interesting and educational. The specimens shown here are boulder opal beads cut from Australian boulder opal.


Opal photos Opal Photos
Precious opal Precious Opal
Fire opal Fire Opal
Common opal Common Opal
Black opal Black Opal
Boulder opal Boulder Opal
Opal triplet Assembled Stones



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Boulder Opal



boulder opal

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