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Yellow Optical Calcite / 1.5-2.5" AVG - 1 LB. LOT

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SKU: CLOP-1LB

Out of stock

$17.77

    Quantity: 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.

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