Close-up of a single piece of blue opal
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Close-up of a single piece of blue opal
Opal. Close-up view of a piece of blue, iridescent opal. Opal is composed of microspheroids of hydrous silicon oxide. It is the refraction of light within these spheroids which gives the mineral its iridescent sheen. This is enhanced by reflections from tiny conchoidal fractures (crazing) which occur on exposure to the air. Opal never occurs in a crystalline form, but as small veins, globules and crusts. Several types occur; colourless, milky white, hazy blue, red (fire opal) and black. There is also a type of fossilised wood know as wood opal. Black and fire opals are particularly valued as gemstones. This specimen was found in Queensland, Australia
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Media ID 6341543
© PASIEKA/SCIENCE PHOTO LIBRARY
Blue Mineral Opal Precious Stone Type
EDITORS COMMENTS
This print showcases a mesmerizing close-up of a single piece of blue opal. The iridescent beauty of this mineral is truly remarkable, as it is composed of microspheroids of hydrous silicon oxide. It is the refraction of light within these spheroids that gives opal its enchanting sheen. Adding to its allure are reflections from tiny conchoidal fractures, known as crazing, which occur when exposed to air. Opal comes in various forms such as colourless, milky white, hazy blue, red (fire opal), and black. This particular specimen found in Queensland, Australia exhibits a stunning shade of blue that captivates the eye. Opals never occur in crystalline form but rather appear as small veins, globules, or crusts. Among all types of opals available, black and fire opals hold special value as gemstones due to their unique characteristics. However, there is also another intriguing variation called wood opal which originates from fossilized wood. In this photograph by Science Photo Library capturing the essence and intricacy of this precious stone's details without mentioning any commercial use or company affiliation; we can truly appreciate the natural wonder that exists within our world's geological formations.
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