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Gemstone
Types of Gemstone
It is said that Red Coral instills courage in its user. It also helps in curing blood -related diseases. Coral ensures material happiness, recovery from diseases indicated by Mars such as fever, cough, bilious complaints, smallpox, chickenpox, headache, loss of vitality, piles, boils, measles etc. Ruby is said to give name, fame, vigor, virtue, warmth […]
Yellow Gemstone
It is said that the one who wears a Diamond has a luxurious life . Diamond is also supposed to enhance the name, fame and artistic quality of the person. One of the most widely used gems to help achieve better financial status. The wearer may get plenty of wealth, good health, name honour and […]
Synthetic and Artificial Gemstones
Some gemstones are manufactured to imitate other gemstones. For example, cubic zirconia is a synthetic diamond simulant composed of zirconium oxide. The imitations copy the look and color of the real stone but possess neither their chemical nor physical characteristics. However, lab created gemstones are not imitations. For example, diamonds, ruby, sapphires and emeralds have […]
Gemstones Treatments
Gemstones are often treated to enhance the color or clarity of the stone. Depending on the type and extent of treatment, they can affect the value of the stone. Some treatments are used widely because the resulting gem is stable, while others are not accepted most commonly because the gem color is unstable and may […]
Gemstone Color
Color is the most obvious and attractive feature of gemstones. The color of any material is due to the nature of light itself. Daylight, often called white light, is actually a mixture of different colors of light. When light passes through a material, some of the light may be absorbed, while the rest passes through. […]
Gemstone Cutting & Polishing
A few gemstones are used as gems in the crystal or other form in which they are found. Most however, are cut and polished for usage as gemstones. The two main classifications are stones cut as smooth, dome shaped stones called cabochons, and stones which are cut with a faceting machine by polishing small flat […]
Gemstone Grading
In the last two decades there has been a proliferation of certification, not only for diamonds but for gemstones as well. There are a number of reputable laboratories which grade and provide reports on gemstones. Gemological Institute of America (GIA), the main provider of education services and diamond grading reports American Gemological Society (AGS) is […]
Value of Gemstones
The diamond is a gemstone which has its value determined in a different way than most or even all other gemstones. Traditionally the diamond was valued mostly for its physical properties such as hardness and brilliance, not unlike any other (colored) gemstone, and since a diamond was not particularly rare, other (colored) gemstones such as […]
Characteristics & Classification
Gemstones are identified by Gemologists, who describe gems and their characteristics using technical terminology specific to the field of gemology. The first characteristic a gemologist uses to identify a gemstone is its chemical composition. Diamonds, for example, are made of carbon (C) and rubies of aluminium oxide (Al2O3). Next, many gems are crystals which are […]
