It has from very early times also been regarded as a form of personal adornment. In addition, there is the less costly costume jewellery, made from lower value materials and mass-produced. In some cases people were buried with their jewellery. Other variations include wire sculpture (wrap) jewellery, using anything from base metal wire with rock tumbled stone to precious metals and precious gemstones.

They usually share similarities to other sulfides in their physical properties. These minerals are in the Selenides, the Tellurides, the Antimonides and the Arsenides Subclasses of the Sulfide Class. The main difference between elemental alloys and these semi-metal alloys is the presence of covalent bonding in these minerals as opposed to the strictly metallic bonding in pure metals and their metal alloys. Our specialty is top quality cutting.

Opals contain almost one-third water and are therefore particularly vulnerable to even moderate temperature changes. Remove from heat and allow the gemstones to soak in the solution until it cools. Thermal shock happens when a stone is instantly transported from one extreme temperature to another. They are all nature's gifts to us. There are more than 40 popular gem varieties and many rarer collector gemstones.

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