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- 100% granitic gneiss (no limestone!)
- Screened and spray-washed with water only (natural fine dust from parent stone is present in bag – rinse before use)
- 1/4 inch diameter rounded gravel
- Suitable for aquariums, planters, terrariums, and more
- Product of Canada
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These stones from just east of Algonquin Park are 100% granitic gneiss – forged in the dawn of our planet, warped one billion years ago in a mountain-building event, and shattered by glaciers into the smooth river rock we sell today. Even at the 1/4 inch size, these stones still display patterns of microcline feldspar, muscovite mica, and classic milky quartz. Beautiful when wet, these stones are useful for planters, water features, landscaping, and more!