Polished Dendritic Agate - Madagascar illinois contrasting beautifully with Selenite's ethereal

contrasting beautifully with Selenite's ethereal light

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you can really see that famous high dispersion—the "fire" that separates this mineral from emeralds or peridots

This particular sphere showcases a spectacular spectrum of natural colors

Polished Dendritic Agate - Madagascar illinois contrasting beautifully with Selenite's etherealThis Polished Dendritic Agate is a striking mineral specimen sourced from the rich, diverse geological deposits of Madagascar. As a semi translucent variety of chalcedony quartz, this material is defined by its complex, tree like or fern like inclusions trapped inside a clear to milky silica body. These delicate structures are formed by a process known as dendritic branching, which occurs when iron and manganese rich mineral fluids seep into micro