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Dakota Stones 10x20mm Double Drilled Sardonyx Gemstone Beads
10x20 Rectangular double drilled sardonyx beads from Dakota Stones. Sardonyx is an onyx that is characterized by parallel lines of different colored minerals. It is a distinct and dramatically banded variety of chalcedony composed of quartz layers. Typically found in black, brown and white layers. Metaphysically, Sardonyx is believed to improve memory and increase one's analytical talents. Approximately 20 beads per 8" strand. Sold 1 strand per pack.