Jewelry with natural and synthetic gemstones — whether made of silver or bronze — requires special care. Metal can be cleaned one way, and gemstones another. If a cleaning method or product is unsuitable for a particular stone, it can lose its shine, darken, develop cracks, or even become damaged. This article explains how to care for such jewelry so it stays beautiful for years to come. The gemstones we use in our jewelry: Jasper, malachite, lapis lazuli, labradorite, hematite, nephrite, sodalite, specularite, serpentine, synthetic corundum, obsidian, charoite, petrified wood, tiger’s eye, hawk’s eye, black onyx. These stones are set in sterling silver (925) and bronze (e.g., 92% copper and 8% tin) pieces. Especially sensitive gemstones Some stones are particularly...

Sterling silver (92.5% silver and 7.5% copper) is one of the most popular materials for jewelry. It's beautiful, workable, and over time can develop a noble patina. But it also has a downside—silver tarnishes, especially without proper care. This article covers everything you need to know to preserve its shine and character. Why Does Silver Tarnish? Silver tarnishes due to a reaction with hydrogen sulfide (H₂S) in the air. This forms silver sulfide (Ag₂S), a black layer on the surface. The copper in the alloy also oxidizes, which can cause a greenish or brownish tint. What Speeds Up Tarnishing: - High humidity and sweat - Cosmetics, perfumes, and cleaning products - Contact with sulfur-rich foods (eggs, garlic, onions) - Being...

Bronze jewelry with brown patina looks noble but requires careful maintenance. Over time, the patina may change and become more pronounced, and if not properly cared for, green spots (copper oxide) may appear. Let’s break down how to properly care for such jewelry to preserve its beauty. 1. Basic Care Rules Avoid moisture and chemicals – water, sweat, cosmetics, and perfume can destroy the patina. Don’t use abrasive materials – baking soda, salt, and acids can rub off the protective layer. Store in a dry place – preferably in a pouch or box to prevent corrosion. 2. Cleaning Patinated Bronze Over time, dust and grease may accumulate on the jewelry. Use gentle methods to clean it: Light Cleaning (for dirt...