Silver has long been valued as a precious metal. Silver metal is used in many bullion coins, sometimes alongside gold. While it is more abundant than gold, it is much less abundant as a native metal. Its purity is typically measured on a per-mille basis a 94%-pure alloy is described...
Silver is a soft, lustrous metal, so gentle cleaning is key. A mix of warm water and mild dishwashing soap, will usually do the trick for cleaning everyday jewelry. Add a few drops of liquid dish soap to warm water. Mix until bubbles form.Soak jewelry in the solution for 5...
What is sterling silver? Sterling silver is an alloy of silver containing 92.5% by weight of silver and 7.5% by weight of other metals, usually copper. The sterling silver standard has a minimum millesimal fineness of 925. Fine silver, for example 99.9% pure silver, is relatively soft, so silver is...
Cubic zirconia is crystallographically isometric, an important attribute of a would-be diamond simulant. During synthesis zirconium oxide naturally forms monoclinic crystals, which are stable form under normal atmospheric conditions. A stabilizer is required for cubic crystals (taking on the fluorite structure) to form, and remain stable at ordinary temperatures; typically this is either yttrium or calcium oxide, the amount...
Врсте накита и драгог камења? Jewellery or jewelry (American English; see spelling differences) consists of decorative items worn for personal adornment, such as brooches, rings, necklaces, earrings, pendants, bracelets, and cufflinks. Jewellery may be attached to the body or the clothes. From a western perspective, the term is restricted to durable ornaments, excluding flowers for example. For many centuries metal such as gold...
