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From Lake Superior, these pebbles are naturally tumbled from their geological displacement. They are Sodalite-rich Syenite that is mostly gray, with black or sometimes peach speckles. Under UV light, they show bright yellow-orange fluorescence. Pictured in regular lighting and under 365nm UV light (fluorescence also displays under typical longwave - 395nm).
Size Range: 3/4" - 5" long pebbles, with individual pieces ranging from 1/4 lb - 2 lb