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Iceland spar
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Iceland spar
A specimen of Iceland spar from Rodefjord, Iceland. Transparent crystal composed of the mineral, calcite (calcium carbonate) which has unusual property of double refraction
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Media ID 8581223
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Calcite Calcite Group Calcium Carbonate Carbonate Mineral Greenland Iceland Mineral North America Spar Transparent
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Iceland Spar: A Transparent Marvel from the Land of Fire and Ice This stunning photograph showcases a captivating specimen of Iceland spar, a unique and intriguing mineral hailing from the icy shores of Rodefjord, Iceland. Iceland spar, also known as Icelandite, is a transparent variety of calcite, a mineral composed primarily of calcium carbonate. Its distinctive property sets it apart from other minerals: double refraction. Double refraction is a fascinating optical phenomenon that occurs when light passes through the crystal, splitting into two rays that travel at slightly different speeds. This results in the crystal's ability to bend light in two directions, creating a mesmerizing display of double images. The Iceland spar in this photograph is a testament to the beauty and complexity of the natural world. Its translucent, greenish-blue hue adds to its allure, making it a popular subject for collectors and researchers alike. Calcite, the mineral group to which Iceland spar belongs, is one of the most common minerals found on Earth. However, the unique double refractive property of Iceland spar is not as widespread, making it a rare and valuable find. Iceland spar has historical significance as well. It was first discovered in the late 17th century and was used in the development of the polarizing microscope, which revolutionized the study of minerals and geology. This photograph, taken in a studio setting, offers a close-up view of the intricacies and beauty of Iceland spar. Its origins in Rodefjord, Iceland, a remote and rugged region in the North Atlantic, only adds to its mystique and allure. In summary, this photograph captures the essence of Iceland spar – a rare and beautiful mineral with a fascinating optical property, a rich history, and a connection to the breathtaking landscapes of Iceland.
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