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Pieces are mixed sizes
SIZE REFERS TO LENGTH
making it a fascinating and visually dynamic addition to any mineral collection
Quartz Crown Point Tealight Candle Holder
Yellow Optical Calcite / 1.5-2.5" AVG - 1 LB. LOT Menu All Flats Pieces are mixed sizesQuantity: 1 pound Average size range: 1. 5 to 2. 5 inches Optical calcite, also known as Iceland spar, is a special type of calcite that forms extremely clear and somewhat rectangular crystals. For centuries, sailors would use these crystals to help determine the direction of the sun on cloudy days for navigation. This optical calcite also contains trace iron impurities, giving it a faint yellow tinge.
