I want with this post a little series called "Learn about the jewelry making" continue, jewelry design which I some time ago on my own blog - I verenabrack.blogspot.com launched. Periodically, I try here to share my knowledge as a goldsmith with all the ornaments are interested. Be it the knowledge of precious stones, metals, machinery, or just the answer to the question: What exactly does the stamp on my ring? There are so many interesting things from the world of jewelry discovered. When you have some questions to a goldsmith, the you would like a reply, they simply leave at the end of this post in the comments, I will gladly answer it in one of the next posts for you.
And now to today's question:
Would you know?
sapphires are blue, ruby red and diamond white? Based on their color can be the different gems different problems. Right?
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| small silver heart earrings with sea-green tourmalines |
Sorry, completely wrong.
not the color that results from the blending of natural elements such as chromium, iron, manganese, titanium and vanadium, but the basic chemical structure distinguishes the various precious stones.
is most evident that if you make yourself fully aware that as the Safir, except in the familiar dark blue, in all other rainbow colors, including red and fully transparent, occurs. The red Variätet is known, but under the proper name Ruby, but there is no sharp demarcation between the blue and red Variäteten as both according to their chemical structure to include Korundgruppe. There are also diamonds come in all colors. Gerdade at the moment are the colors cognac or black / gray absolutely in, the whites River (Blue White, Clear) and G (fine white) in the trade are still the most desirable. And probably the most colorful gem is certainly the tourmaline. Not only he is found in all Farbvariäteten often have tourmalines even layer, a completely different color. Just as we know, for example from Brazil tourmalines, the core of red, the White inner layer and the outer shell is green.
The chemical composition of gemstones is indicated by a formula and is one of the features for differentiation. Since most of the gems come from the mineral kingdom, it is common in science to divide the precious stones according to their chemical composition in different mineral classes (elements, sulfides, halides ...).
sources: BLV identification book gems and precious stones by Walter Schuhmann ISBN 3-405-12488-3
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