Dictionary and terminology gemstones

-
1 - absorption spectrum: a particular form of dark lines or streaks seen by the human when I look at the jewel of the spectroscope.


2 - color variable: the term refers to gemstones and colored impurities, without which these stones are colorless.


3 - Alluvial deposits: the concentrations of detailed by erosion of the rock (the family) were deposited by rivers or streams remote.


4 - non-crystalline (amorphous): it has no atomic structure of regular internal or external form.


5 - associated minerals: minerals grow together, although they do not overlap in growth.


6 - constellation: star-like form can be seen on some of the stones when cut in the form cabochon.


7 - double refraction of light: the difference between the lowest and the highest refractive indices in gemstones in which the property of birefringence of light.


8 - cabochon: stone section and polished until the surface in the form of a hemisphere.


9 - carat (CT): unit of weight used for gems and Alkirt equal to five grams and is also used to describe the purity of gold _ pure 24-carat gold.


10 - sparkle: an eye-shaped cat that appears in some of the stones when cut in the form cabochon



Comments

Post a Comment

Popular posts from this blog

Types and forms of imitation gemstone and manufactured

-
Image
Types and forms of imitation gemstone and manufactured * gemstone replicas  * gemstone synthetic  * Alternatives to gemstone What is the difference between these expressions? The convention (Sterling)apply to some materials that are manufactured in the laboratory, provided that these materials are similar with those that form in nature in terms of structure and species crystallization, as well as on the similarities in the properties of the natural and visual. The convention is called artificial Artificial some of the material that corresponds to some gem stones originate membership, which consists in the Bakal natural biological processes, such as amber, coral(amber or jet black) . From this definition we realize that the word (present him) always be combined with precious stones (non) membership. In contrast to that of the word (similar) or (alternative) simulant refers to any material that simulates similar to any metal in cream form or the virtual Isltzm Alchlbh it in ...
Read More>>

Genuine Windows 7 Ultimate: The GENUINE Windows 7 activator for x32 and x6480

-
Image
Windows 7 Windows 7, probabley the greatest creation of Microsoft. From the past years, I am using Microsoft's 98, XP, 2000 Professional, 2000 Servers and Vista. Form all of these operating system, I like XP best and hate Vista. But few days ago, I heard that Windows 7 is a great product of Microsoft and I read several pages and articles on that. So, basically I became interested and downloaded Windows 7 ultimate from rapid share link. I installed that and find that Windows 7 is really a great operating system and I become a fan of Windows 7 ultimate. But I saw that it's a trial only and I can only use that only for 30 days! Damm!! after 30 days, I face several problem. Later I searched Google for Windows 7 Ultimate keys. But failed. Later, I asked my friends through email about the Windows 7 key. Many of them gave me several links of Windows 7 keys but all of them are not really working. Later, I found one hotfile link for Windows 7 ultimate which was the Windows 7 activator....
Read More>>

7 Tips before you buy detectors for gold and treasures and minerals

-
Image
Before you buy detectors for gold and treasures and minerals you should know ... 1- The device name, type, whether it is a descriptive or a radar device or electromagnetic . 2- The idea of ??the device which detects treasures, gold and minerals . 3- The manufacturer of the device and then doing research to find out the reputation of this company in the market . 4- Price of the device and compares the price the same machine with another company . 5- Depth which is expected to have reached the device to detect gold and treasures and minerals . 6- Of the factors that affect the discovery of treasures is the terrain for example search in the mountainous areas differs from the search on the coasts of that must take into account the spectrum . 7- The most important thing is that the field test of the device with the buyer prior to purchase machine .
Read More>>