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Weight: ~190g / 0
These hues are a result of varying concentrations of iron oxides and other trace minerals that became trapped within the silica-rich rhyolite during its volcanic formation
Size: 90mm x 43mm x 9mm
often without any distracting matrix
Polished Dendritic Agate - Madagascar Mangano Calcite Weight: ~190g / 0This 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
