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Boulder Opal

Here are some examples of work incorporating this stone, and other links where it is mentioned.

Featured Works

The Weaver (Arachne)
Silver necklace with abstract pendant and brown opal stone.
Boulder Opal
Genie The Playful
Necklace with silver abstract design and blue stone.
Iolite, Boulder Opal, Lapis Lazuli
Roots So Deep
Silver pendant with bolder opal, moonstone and tourmaline
Boulder Opal, Peach Moonstone, Pink Tourmaline, Watermelon Tourmaline, Moonstone

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About Opal

Wikipedia image for Opal

Opal is a hydrated amorphous form of silica (SiO2·nH2O); its water content may range from 3% to 21% by weight, but is usually between 6% and 10%. Due to the amorphous (chemical) physical structure, it is classified as a mineraloid, unlike crystalline forms of silica, which are considered minerals. It is deposited at a relatively low temperature and may occur in the fissures of almost any kind of rock, being most commonly found with limonite, sandstone, rhyolite, marl, and basalt.

Read full article on Wikipedia

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