Friendship bracelets are special bracelets
Friendship bracelets are special bracelets. As a symbol of friendship these bracelets are given from one friend to another. The amount of thread used in bracelets can vary. They are handmade and usually made out of embroidery floss or thread. Thicker bracelets are commonly worn by both male and female surfers. There are various styles and patterns, but most are based on the same simple half-hitch knot.
They are particularly popular with pre-teen and adolescent girls and with present-day hippies, deadheads or Rainbow Family participants. The smallest pattern, a double chain knot, requires two strings. The making of friendship bracelets is a version of macrame. Because of their versatility, they are worn by both males and females of all ages. The candystripe can have as few as three strings and as many as forty, based on pattern and thickness.
Colored diamonds are also available in the market
Pure diamonds are the diamonds that are typically on display at jewellery stores. Most people have at least a passing familiarity with what diamonds tend to look like. There are no impurities at all in the pure diamonds. Beautifully glistening and sparkling, the clear appearance of the gemstone is known as the stone of choice for wedding rings and engagement rings.
Other types of diamonds are available in the market and they are colored diamonds. There are no impurities at all in these diamonds, and the gemstones are colorless and transparent. To pieces that feature these luxurious colored diamonds and to great effect Designer jewellers apply their skill. What gives certain diamonds their color are actual impurities and defects to the structure of the stone which impede or help in light absorption, which causes certain colors to be seen by the human eye.
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.