Most of these alloys were combinations like copper-silver or silver-gold and used with so-called hard soldering. That’s a technique still used today to join precious and semi-precious metals ...

particularly concerning precious metals like gold, silver, and platinum. One of the major loopholes involved platinum alloys. As per international rules under the World Customs Organization (WCO ...

39.5 x 27 cm., 15½ x 10⅝ in.

Three subgroups make up the entire family of precious metals: silver and silver alloys; gold and gold alloys; and the platinum metals, which are platinum, palladium, rhodium, ruthenium ...

Jewellery enthusiasts are gravitating toward pieces with multi-dimensional finishes, coupled with the resurgence of semi-precious stones ... oxidized silver and hand-beaten metal texture.

New York City glam-rockers Semi Precious Weapons have some very high-profile fans — Lady Gaga, Katy Perry, and Kesha among them — but in many ways they’re still a cult group. Thankfully ...

To those who swore off semi-precious silver last summer it's time to rue the day: Silver has rather quietly staged a more than 20% rally since the beginning of 2012. According to Michael Purves ...