Jewelries – Above Rubies
Ruby is a variety of corundum and its name derives from “ruber, red in Latin. The color is caused by the presence of chromium and iron, increase the intensity increase in attendance over the first and second. Earlier this caused a gemstone, the wisdom and strength to bring success, but also the nature of magically with arthritis and back problems.
This is the hardest mineral after diamond, with an evaluation of 9 on the Mohs scale, is also one of the more solid gem. His quote for the additional quality of a diamond is often exceeded.
Deposits to date
Myanmar, formerly Burma, is the largest producing country in the world, and deposits in the valley “Strike”, which has occurred, both in color, quality and size, rubies are the most well known. Thailand is the second largest producer and jewels, known as “Siam” has a darker color because there is an increase of iron. From “Sri Lanka”, formerly Ceylon, is a measure of pink ruby is usually not more than two carats, but very pure and very vibrant colors and interesting. Another area that more recently found to bring to market a very attractive qualities, such as Madagascar, Malawi and Malawi, Vietnam and especially Kenya and Tanzania.
Star Rubies.
Also known by the name “Astoria” is a gem that the presence of titanium oxide which is marked with vertical lines intersecting in three directions between 60 º angle. If the crystal is cut perpendicular to the grooves, you can see the effects of a six-pointed star. Gem with good color and well-defined effects, achieving a very high price.
Inclusion.
Does common dolomite crystals, calcite colored, colorless needle olivine also of rutile, zircon crystals, apatite and others who make their own identity badge gems, can find a detailed analysis of their geographical origin, and time.
Treatment.
The main treatment is delivered is heated, the people who make changes in valence of some ions or changes in color centers. If treatment does not exceed the temperature of 1300 ° or dyes or coatings, the results are permanent and can not be considered fraud even have to notify customers who have filled in the relevant certificate.