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

Marsoni M251S
Sale price$17.95
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Yellow Optical Calcite / 1.5-2.5" AVG - 1 LB. LOTQuantity: 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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kevin
Port Orchard, US
★★★★★ 5
Great price
Perfect fit great quality
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Reviewed in the United States on May 19, 2026
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Matt Long
Pawtucket, US
★★★★★ 5
Perfect fit
Great quality filters, both fit snug
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Reviewed in the United States on May 6, 2026
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Robert
Natrona Heights, US
★★★★★ 5
Great price
2018 Honda Civic EXL Turbo great fit, great price!
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Reviewed in the United States on March 15, 2026
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stuart a hannan
Carnegie, US
★★★★★ 4
Good fit.
Good fit.
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Reviewed in the United States on October 29, 2025
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Virginia J.
Bozeman, US
★★★★★ 5
Great product!
I have a 2022 CRV and these filters are great quality, they fit perfectly and are better than the factory brand with a much better price.
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Reviewed in the United States on January 4, 2026

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