Semi-precious gemstones can make some of the most attractive jewellery. Gemstones are actually minerals, these are petrified substances or rocks which have been cut and then polished to be suitable for making jewellery.
Some type of gemstone can be rare, e.g. amazonite. This is a bright green form of feldspar that, in the past, was supplied almost exclusively by Russia. It has now been found in Madagascar and also in Colorado, and as it is very rare it has become highly sought after.
Citrin, also called citrin quartz, is an amber coloured gemstone.
The gemstone aventurine is usually green, but can also be brown, orange, grey or yellow. The rarest colour is red and this is highly prized.
Cordierite is an iron, aluminium and magnesium cyclosilicate. The transparent form is known as iolite and it is used as a gemstone. Iolite’s name comes from the Greek word meaning violet.
Lapis lazuli is a gemstone which has a deep blue colouration. This gemstone has a history all the way back to the pharaohs of ancient Egypt.
Jade is quite an interesting type of gemstone. The name jade is used to describe two different forms of silicate. It is extremely tough and was used many years ago to make weapons, axe heads and knives. When new materials replaced jade for these purposes, it became valued as a gemstone. Nephrite is green or cream in colour, and jadeite comes in several colours. The New Zealand Maori people call nephrite jade ‘greenstone’ and use it for making jewellery. The official gemstone of British Columbia is jade. Some minerals are sold as jade when in fact they are not the genuine article.
Turqoise is another gemstone which is used for ornamental purposes. Its name probably comes from the French word for Turkish stone. The Sinai Peninsula and Iran supplied particularly good quality turqoise. In the US, Native Americans mined turqoise.
It’s possible that rings and bracelets and necklaces made with these semi-precious gemstones may not be as valuable as say, gold or diamonds, but they can be exquisite and highly prized.
Get information about emeralds and emerald rings at Sarah Carter’s site Emerald Rings Guide. You can also get facts on antique emerald rings.
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