Pyrargyrite is a deep‑red sulfosalt mineral, also known as ruby silver, valued for its vivid color and historical use as a silver ore. Collectors and jewelry makers appreciate its striking hue, while crystal‑healing enthusiasts attribute emotional and heart‑chakra benefits to the wearer.
Cobaltite is a metallic gray‑black sulfide mineral prized for its deep, reflective sheen and occasional violet iridescence. Though uncommon as a gemstone, cut cobaltite cabochons are used in high‑end jewelry for their unique luster, and collectors value them for their mineralogical rarity.
Sperrylite is a rare platinum arsenide mineral known for its metallic silver‑gray luster and high density, occasionally used in high‑end jewelry and valued by collectors for its unique appearance.
Chalcopyrite is a copper‑iron sulfide mineral known for its brass‑yellow hue and rainbow‑like iridescence. Though primarily an ore, it is sometimes cut for ornamental jewelry, and its metallic sparkle draws interest from collectors and metaphysical enthusiasts alike.
