Proustite
{ “title”: “Proustite – Red Silver Sulfosalt Gemstone”, “slug”: “proustite”, “excerpt”: “Proustite is a rare red silver sulfosalt mineral prized for its vivid crimson hue and adamantine luster. Often cut into cabochons, it is used in specialty jewelry and collector pieces. Readers care for its unique chemistry, striking color, and the care needed to preserve […]