A few of the most beautiful jewelry is made using semi-precious gem stones. A gem stone is a vitamin, a rock or a substance that’s cut or faceted and polished before it can be utilized in jewelry. Some diamond stones are relatively rare, for example amazonite, which is really a vivid green variety of feldspar. Formerly it was obtained almost entirely from Russia, but recently it was found in Colorado and Madagascar. Its minimal incident causes it to be prized as a diamond stone. Citrin, also known as citrin quartz, can be an amber colored diamond stone. Aventurine is usually a natural jewel stone, but might be red, brown, yellow or grey. The rarest is highly-prized and red as a diamond stone. Cordierite is an aluminum, iron and magnesium cyclosilicate, the variety of which is iolite, which can be used as a gem stone. The name, iolite, hails from the Greek word for violet. Lapis lazuli is just a stone that has been classified as a gem stone. This deep blue gem rock dates back to the pharaohs of ancient Egypt. Jade is an interesting gem stone. The name is put on two different silicate materials. It is an extremely difficult substance and was first used for axe heads, knives and guns. It had been only if other components were found that might be employed for these purposes that jade turn into a prized diamond stone. Nephrite is either inexperienced or creamy in color, while jadeite comes in various colors. In New Zealand, perhaps not diamond rock and where nephrite jade is called greenstone, the Maoris consider a treasure to it. In conventional Maori models, this gem stone remains trusted to create jewelry. Jade is the state gem stone of British Columbia. Several vitamins can be purchased as jade. To get more information, we recommend you have a gander at: copyright. These can certainly be applied as gem stones, but are not the real thing. Turquoise is yet another gem and ornamental stone. The name is a very old term, probably based on the French meaning Turkish rock, although turquoise wasn’t found in Turkey, but was traded there. Iran and the Sinai Peninsula were resources of very great turquoise. Within the Usa, the deposits were mined by pre-Columbian Native Americans. In these days there is some imitation turquoise, which will be so great, that only a specialist can tell the difference between the artificial and the true rock! Its likely that rings and bracelets and necklaces made out of these semi-precious gems may not be as valuable as say, gold or diamonds, however they could be highly-prized and exquisite. Of course, when the diamond is flawed, it may be remarkable towards the friends and associates of a newly employed damsel, but is not of great value..Surf City Squeeze 1150 El Camino Real San Bruno CA 94066 (650) 588-6265