Precious Gems: The History of a Concept
The clumsy modern category of "precious" stones has little relevance
when applied to the ancient world.
Jack Ogden, 1982 ...
Semi-Precious Gemstones: Prehnite
Prehnite used in Jewelry
Source: Australia, Canada, China, Germany, India, Namibia, Scotland, South Africa, USA ...
Where to Find Precious Gem Stones
Where various gems and precious stones are found, including the agate, opal, jade, peridot, moonstone, turquoise, lapis lazuli, malachite, and azurite ...
The Connoisseur's Guide
To Precious Gemstones.
By Richard W. Wise ...
Colored gemstones and quality loose ideal cut diamonds online. Whether a round brilliant diamond or a precious gem our high quality stones are cut to your specification. Elegant gem wear from diamondexpert.com ...
Precious Gemstone
Diamond, Ruby, Sapphire, Emerald and precious Opal are the precious gemstones. Any other rock or Mineral is referred to as semiprecious stone or just a rock.
Psilomelane ...
Precious Gem
The quality of a gem that has beauty, durability and rarity.
Precious Metals
Defined by the industry as gold, silver and platinum, the term 'precious' is still widely accepted to delineate metals.
Precious Gemstones
Precious Gemstones include Diamonds, Emeralds, Sapphires, and Rubies.
Precious Stone
Precious Stone is a stone that is rare and expensive.
Precious gem: At one time, only four gems were considered to be precious: the diamond, emerald, ruby, and sapphire. Changing conditions in the colored-gem market have pretty much made this term a thing of the past.
Precious Gemstone: Gemstones that are highly valuable for their hardness and rarity. There are only four precious gemstones: diamonds, sapphires, emeralds and rubies.
Precious gems like emeralds, ruby, sapphires, topaz, pearls can also be placed in a necklace setting to give a sense of elegance to the user.
PRECIOUS GEMSTONE
A precious gemstone is a stone or mineral that is valuable and very rare, and sought after for its beauty. Precious gemstones are diamonds, sapphires, emeralds and rubies.
PRINCESS CUT ...
Precious gem
A term that was once reserved only for the diamond, emerald, ruby and sapphire. Today, the quality of a given gem can place it in the precious category.
Precious metals ...
A precious gemstone composed of pure carbon. Hardest of all known substances. Rated 10 on the Mohs scale.
diamond-cut rope
A portion of the chain is cut away at an angle and then polished to a high shine. see also ROPE CHAIN.
A precious gemstone composed of pure carbon. It is the hardest of all known substances and rated 10 on the Mohs scale.
Diopside
A mineral that ranges in color from white, deep green, to almost black.
A precious gemstone, and a member of the corundum family, rubies are always, by definition, red, but be aware that many other red gemstones and imitations might be assumed to be a ruby.
This precious gem is a form of Oligoclase feldspar which is itself a variety of plagioclase feldspar. The Sunstone gem displays different kinds of colors due to inclusions.
Semi-precious Gemstones
A group of gemstones that are prized for their beauty, but are not one of the four so-called precious stones (Diamond, Emerald, Ruby or Sapphire).
Setting ...
"Such precious gems cannot be bought; either they fall to one by arbitrament of the flashing sword, which is an expression of divine will, or else they come through the grace of mighty monarchs."
The emissary departed quietly.
Topaz: A precious gemstone that comes in many vivid colors including yellow, orange, red-brown, light to dark blue, pink-red, red, purple, light green, colorless and more. It is an 8 on Mohs’ scale of hardness.
This semi precious gemstone is closely associated with Christianity. Ancient history reveals that the gemstone first occurred when at the time of crucifixion, ...
A precious gemstone variety that is deep green colored. High quality emeralds are among the most valued of all gemstones. Flaws or inclusions are very common in emeralds, which makes their value less affected than that of diamonds or other gemstones.
ruby
A precious gemstone from the corundum family that range in colour from light pink to deep red. Rubies have a hardness of 9 on the Mohs Scale ...
Ruby: A "precious gem", ruby is the brilliant transparent red variety of the mineral corundum, ranging from purple/blue-red to yellowish red, the July birthstone and the "gem of gems". Also translucent varieties with optical star effects.
Sapphire is a precious gemstone (a type of corundum) that ranges in color from blue to pink to yellow to green to white to purple (mauve sapphire) to pink-orange (padparadscha sapphire).
From here the precious gem passed through the hands of numerous British kings, including Henry VIII and his daughter, Elizabeth I, who kept it in her private collection. She did show it to a Scottish envoy, Sir James Melville, however.
Sugilite is semi-precious gemstone generally a medium to dark purple it can also range from pink to brown to black. It is usually opaque with a waxy luster and often has brown, pink and white inclusions, looking like a purple version of turquoise.
Agate: A semi-precious gemstone. A variety of chalcedony quartz that is a very common and used often in jewelry.
Moukaite is a semi-precious gemstone, a variety of jasper from Australia. The color of moukaite varies from red-browns to pinks, with gold and white bands.
MOURNING JEWELRY ...
Semi-Precious Gemstones
The distinction between precious and semi-precious gemstones is often misunderstood, but fairly easy to understand.
1st Place
John Dyer
Precious Gemstones Co.
20.61 ct. opposed bar cut imperial topaz.
Aquamarine:A bluish, semi- precious gemstone from the beryl family. The name translates to "water of the sea" because of its color, which can actually range from very pale blue to a blue-green teal. The most prized color is a deep blue aqua.
In addition to its fascinating beauty, the pearl occupies a unique spot in the world of precious gemstones. Instead of being found in a core of rock, a pearl is made over time by a living creature, an oyster.
Can be stone studded RubyA precious gemstone, and a member of the corundum family, rubies are always, by definition, red, but be aware that many other red gemstones and imitations might be assumed to be a ruby.
Clothes can snag, and the chemicals and oils in cosmetics can dull the shine of your precious gems and metals. They can even damage very soft and porous gems like opals, pearls, and turquoise.
Up until the middle of the nineteenth century, coral, opal and turquoise had been considered precious gems, but due to the change in fashion, ...
Emerald is one of the most precious gemstones. The verdant green color is due to traces of chromium and vanadium in the beryl crystals. The ideal color is a deep uniform green with no or few inclusions.
Known by various names like emeraud in French, Smaragd in German and esmerelda in Portuguese, this rare and precious gemstone enjoys a repute which is cut apart from the rest.
The ancient scriptures of the Hindu Religion, the Vedas, eulogized these precious gems for their mental and physical healing properties. In Islamic religion, emeralds are sanctified.
Ruby: One of the four precious gemstones along with Diamonds, Emeralds and Sapphires. Ruby is a member of the corundum family whose color comes from chromium oxide in the stone.
A carat is the unit of weight used to measure diamonds and other precious gemstones. The term carat is derived from the Greek word keration, meaning carob beans.
Sugilite is a medium to dark purple semi-precious gemstone (it can also range from pink to brown to black).
5 - Treatment: Oiled - Color: Light to medium green Gets its name from the Latin smaragdus, which refers to a type of precious gemstone. Traces of chromium and vanadium in the crystalline structure produce the green color.
The large jewelry houses created lavish jewels "dripping" with diamonds and precious gems. One of the greatest innovators and trend setters of the time was Harry Winston in New York.
Sapphire: One of the four precious gemstones. The other three are diamonds, rubies, and emeralds. Sapphire is a member of the corundum family which come in a variety of colors from white to orange to green to pink.
Gaspeite is a pale green to apple-green semi-precious gemstone that often has brown inclusions of its host rock. Gaspeite is translucent to opaque. This beautiful stone has only recently been used in jewelry, and is often set in silver.
The ruby is "The Sun's Own Gem," a regal stone, ranked among the world's most precious gems. It symbolizes freedom, charity, dignity and divine power. Fine large rubies exceed the value of similarly sized fine diamonds.
Once colored gemstones were divided into two categories - Precious Gemstones, which included rubies, emeralds and sapphires and Semi-Precious, all other colored gems.
A precious gemstone has brilliance, beauty, durability and rarity, whereas a semi-precious gemstone has only one or two of these qualities. A gem is a gemstone that has been cut and polished.
Usage: Emerald is a precious gem that promotes creativity and perception. It also acts as a natural tranquilizer when you are worried or your mind is troubled. Emeralds symbolize serenity, success in love, wealth, happiness and peace of mind.
Semi-precious (gemstone) Traditionally, the four precious gemstones are diamond, ruby, sapphire and emerald. Semi-precious gemstones include everything else.
Owning a diamond is everyone's dream, a long lasting desire to buy the most precious gemstone in the world and why not so? After all, a diamond is one of those few things on earth, every man & woman strives for.
The birthstone for April, diamonds are clear transparent precious gemstones composed of pure crystallized carbon. The carbon has been highly compressed over millions of years, resulting in the hardest natural substance known to mankind.
Calcedonio - This process results in glass that looks like the semi precious gemstone agate. This quartz stone is characterised by veins or bands of differing colours and this is replicated in this glass making technique.
Find engagement rings in diamonds, moissanite, diamonds and moissanite, or other precious gemstones. Beautiful engagement rings and wedding jewelry set in yellow gold, white gold, platinum, and titanium.
Cluster Setting: A cluster setting is designed to present multiple stones - often semi-precious gems rather than diamonds - in a figural design such as a flower or butterfly.
In ancient times, Amethyst was highly regarded among precious gemstones such as Ruby and Emerald but discoveries of huge Amethyst deposits since the 1800s have made the gem fairly inexpensive and very obtainable.
A word for diamonds and other precious gems.
Symmetry
A diamond should by symmetrical. Symmetry is the grade used to describe the uniformity of the cut of the diamond. This can range from excellent down to poor.
The places which supply crystals so large and beautiful that precious gemstones can be cut from them are, however, much, much rarer. The major green tourmaline deposits are in Brazil, Namibia, Nigeria, Mozambique, Pakistan and Afghanistan.
Aquamarine, the pale blue-green gemstone which reminds us of the calm soothing soft colors of the Caribbean Sea, is the precious gemstone of March. Transparency and lightness in color tone account for Aquamarines pastel shades of color.
 See also: Precious, Gemstone, Stone, Jewel, Gemstones
  
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