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Opal is a hydrated amorphous form of silica ); its water content may range from 3% to 21% by weight, but is usually between 6% and 10%. Due to its amorphous ...
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Opal is the product of seasonal rains that drenched dry ground in regions such as Australia's semi-desert “Outback.” It is known for its unique display of ...
For thousands of years, people have mined and treasured opals. These striking stones are the traditional October birthstone and have inspired a rich body of ...
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Opal is the identity security platform for modern enterprises. With Opal, companies can implement least privilege, automate access reviews, and accelerate ...
Opals are crispy, sweet, and naturally non-browning. Taste the difference and make a difference with Opal® organic apples.
Mar 8, 2024 · Opal, silica mineral extensively used as a gemstone, a submicrocrystalline variety of cristobalite. In ancient times opal was included among ...