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Agate Beads
Agate is a variety of translucent Chalcedony ranging in many colors due to mineral inclusions.
Latest update: 2025 February 7
Leopardite
Leopardite is a variety of quartz porphyry containing small phenocrysts of quartz in a microgranitic groundmass of quartz, orthoclase, albite, and mica. The rock has a characteristically spotted or streaked appearance due to staining by hydroxides of iron and manganese. [mindat]
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