Surowy okaz pomarańczowego kalcytu (optyczny) – 70 gramów

Raw Natural Optical Orange Calcite Specimen Rock / Stone Country of Origin: Iceland Quantity: 1 Optical Calcite Specimen. You will receive the exact gemstone shown in the photos. Size: Approx 6cm in height x 3.5cm in width x 1.2cm in depth 10-point scale of mineral hardness: 3.0 (10 - hard, 1 soft) Weight: 70 grams Care has been taken to ensure that weights and measurements are as accurate as possible, however please do note that these are only approximate. These specimens are in their natural raw form and shedding of small crystals is normal. Natural inclusions, cracks and pockets are all visible and all part of the natural stone. Please handle with extra care. These are very fragile stones. Optical Calcite is also known as Iceland Spar, and was originally discovered in Iceland. It is a transparent form of Calcite, which often displays beautiful rainbows that flash in the light. It also displays the rare property of double refraction, so when placed over text it will show double the image, slightly offset. Optical Calcite can also be found in Mexico.