Sample of Labradorite. Labradorite is an iridescent form of plagioclase feldspar. It was first described from samples collected on Paul's Island near

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Sample of Labradorite. Labradorite is an iridescent form of plagioclase feldspar. It was first described from samples collected on Paul's Island near the town of Nain in Labrador, Canada. Gemstone varieties of labradorite exhibiting a high degree of iridescence are called spectrolite, moonstone or sunstone.

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Photo credit: © SINCLAIR STAMMERS/SCIENCE PHOTO LIBRARY / Alamy / Afripics
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Keywords: calcic, caucasian, cleaved, close-, colour, colourful, colours, detail, earth, feldspar, geological, geology, hand, holding, human, iridescence, iridescent, mineral, mineralogy, moonstone, people, person, plagioclase, rock, sample, science, specimen, spectrolite, sunstone, white