Single piece of blue opal
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Single piece of blue opal
Opal. 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
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6342929
© PASIEKA/SCIENCE PHOTO LIBRARY
Blue Mineral Opal Precious Stone Type
EDITORS COMMENTS
This print showcases a single piece of blue opal, radiating its mesmerizing iridescence. Opal, composed of microspheroids of hydrous silicon oxide, derives its enchanting sheen from the refraction of light within these tiny spheres. The mineral's allure is further enhanced by reflections from delicate conchoidal fractures that form upon exposure to air. Unlike other gemstones, opal never occurs in crystalline form but rather as small veins, globules, and crusts. This particular specimen hails from Queensland, Australia - a region renowned for its opal deposits. Various types of opals exist; ranging from colorless and milky white to hazy blue and fiery red (known as fire opal). Additionally, there is a fascinating variant called wood opal which originates from fossilized wood. Among all the variations, black and fire opals hold particularly high value as precious gemstones due to their exceptional beauty. However, this print focuses solely on appreciating the natural wonder of this blue opal without any mention or reference to commercial use. The Science Photo Library has captured the essence of this stunning mineral through their lens with remarkable precision and detail. It serves as a testament to the geological marvels found in nature and invites us into a world where vibrant colors meet intricate formations – an exquisite display worthy of admiration.
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