Druzy Chalcedony Concretions

A collection page of OLD EARTH MINERALS

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2026/03/25

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These unique flat druzy chalcedony concretions from Progresso, Rio do Sul, Brazil feature a natural disk-like form shaped over time within ancient sedimentary layers. Composed of microcrystalline quartz, the soft sparkle and subtle banding give them an earthy, organic beauty. Each piece is one-of-a-kind, making it a perfect addition for collectors, display, or those drawn to grounding, stabilizing stones.