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Identify the semi-precious stones
Gemstone Identification
One of the interesting and challenging questions, which is a reseller of title = "gemstone"> semi-precious stone? "Stone, who" often the answer is simple, either because the stone was especially commissioned for the design or because it is an easily recognizable form of a particular mineral. For example, it is easily recognized by their purple amethyst, and the relative transparency.
But what about the silver ring with an unusual and beautiful stone in the world as part of a series of spiders? The ability to correct classification of the stone to determine to facilitate the sale and improve the purchase of a customer perspective. Most people learn by experience, to identify the stones. Familiarity with the confidence of the stone-type varieties and a good expensive knowledge which can then be added gradually time.Some background is helpful. Gemologists use several methods to determine a kind of stone. First, the background color as reference. Some minerals such as azurite and malachite are very consistent in the color of the sample to. Other gemstones such as quartz are difficult to classify because in all colors, depending on what trace elements are present. Purple Amethyst is a type of quartz with iron in place, while Rose Quartz gets its color from titanium.
The color can be changed, as for thousands of years to improve or the appearance of a stone. Most commercial citrine is actually amethyst heated. In the same category classification method can we have the concept of "grain" or texture. The stripes are in various agates, or the nature of the quartz crystal color gives a certain character to the world that is consistent in different colors. The similarities between rainbow moonstone and labradorite are an easily recognizable example of similar feldspars have very different primary color.
Gemologists see "Color Line" as a means to determine the species. Basically this means scratch the stone with glazed porcelain excessive force on the bottom of a plate or tile found. The color of the strip is shown on pottery, the color of the stone fewer impurities that cause spots. Sodalite, for example, is white again. This test is often used for the investigation of rough stone and broken bricks set, do not try this with something that you plan to sell! I mention here are for reference purposes.
Another method used to classify semi-precious stones by gemologists to the hardness test. In 1800, the Mohs hardness scale developed for all jewelry in the world along a scale of 1:00 to 10:00 stratification. In practice, smooth stone, talc, with a drive. The hardest stone is the diamond, with a rating of ten. A stone from a stone base is harder to lower number on the scale. Quartz with a hardness of 7, is new, with a hardness of 4 hematite. Although one should not try to make all in the finished gemstone jewelry to review is a good idea to know they will not damage tires on their inventory.The crystals, agates and Jaspers All stones are relatively hard (Mohs 6-7), but rhodochrosite (hardness 4, second from right in photo), malachite (3.5 to 4) and fluorite (4), all stones and stored to be taken with care.
In addition to these criteria may also gemologists density, transparency, refraction, spectral analysis, fluorescence and unlock a stone's throw throw of identity. For each test day, these methods are beyond the reach of most of us rock fans. We tend to rely on our experience, and when a questionable identification "With the stomach to go". Do we often deal with a customer, a white stone in sight, while often express a lapis customer has the right to "know much about rock 'Labradorite wrong or just confused Sodalite.
Ultimately, it can be very difficult to identify a stone on the basis of the small sample a pendant or a ring to set. One particular copy may not be representative of the rest of his family can therefore be difficult to classify. What I do is look at the details of the stone, including color, grain, inclusional general qualities and character and try to refer to the cross pieces of the puzzle mentally I am the jewelry from the past. Obviously, the more you know, to better identify, classify the rocks hard to get.
When I think of them jasper or agate, which is identified except that I'm not 100%. I know from my own experience with the products we sell on our website may not be the most unknown either agate or jasper, but this rule applies to products of other vendors.
When our boat trailer or rings per gram, one of the best ways for a piece. If you absolutely carnelian or tiger's eye (for instance) then by all means to the stone. If you have a series of rocks, almost always an interesting and unusual stone that you have no idea how determined. Usually we send teams to the next parts:
Amethyst, rose quartz, carnelian, onyx, rainbow moonstone, labradorite, sodalite, lapis lazuli, snowflake obsidian, Amazonite, dendritic agate, malachite, nephrite jade, chrysocolla, mother of pearl, abalone, Rhodonite, Rhodochrosite, tiger eye, fluorite, Ruby Zoisite, sorted Jasper and agate.
This is a partial list. There are many other stones that we get only a few pieces here and there. If you have problems identifying stones, there are several good resources I can recommend. Some good websites are:
semi precious stones supplier http://www.semi-precious-stone-jewelry.com
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