Glass bangles are mostly produced in only one Indian city called Firozabad in North India. Bangles that were made from plastic started replacing the glass bangles. Glass bangles are usually smooth, with some texture or set with stones.
However, in many cultures, especially in the Arabian Peninsula and in South Asia, bangles have evolved into various types in which different ones are used at different occasions. In India, Hyderabad has a historic market for bangles named the Laad Bazaar. In Pakistan, glass bangles are almost all produced in Hyderabad, Pakistan. Glass bangles are found in many colors.
Gemstones are identified by gemologists
Gemstones are identified by gemologists. The first characteristic a gemologist uses to identify a gemstone is its chemical composition. Gems are characterized in terms of refractive index, dispersion, specific gravity, hardness, cleavage, fracture, and luster. They may exhibit pleochroism or double refraction. Who describe gems and their characteristics using technical terminology specific to the field of gemology.
Next, many gems are crystals which are classified by their crystal system such as cubic or trigonal or monoclinic. They may have luminescence and a distinctive absorption spectrum. For example, diamonds are made of carbon (C) and rubies of aluminium oxide (Al2O3). Another term used is habit, the form the gem is usually found in. For example diamonds, which have a cubic crystal system, are often found as octahedrons.
Diamond jewellery is the most elegant form
Most people agree that diamond jewellery is the most elegant form of jewellery on the market. Common colors, such as white and yellow, are usually quite affordable. The two most commonly found colors are brown and yellow. While individuals often pay more for a fancy gemstone, white diamonds with a slight hint of color will be less expensive than truly colorless diamonds.
The website includes a great deal of gemological education focused on diamonds, including what they are and how to buy them. Remember that size does not necessarily translate into quality. The color of the diamond is another important issue. Rare colors, such as pink and blue, are the most expensive. The pink diamonds are the highest in price.