Gem Mining in Sri Lanka
By: Neelanjana Ghosh
Sri Lanka very rightly known as the "Jewel Box" in the Indian Ocean is a treasure trove of unending collection of precious gems, and is one of the major hubs of gem mining in the world.
Gem Hut features a collection of natural gemstones from around the world. We will not display or sell any type of artificial, synthetic or simulated gemstone.
Gem Enhancements
Many gemstones are altered to enhance their appearance.
Gem Enhancement Awareness
It is important for the consumer to be aware of the fact that many varieties of gemstones on the market today have been treated or "enhanced" in order to improve their appearance.
Gem Essences:
Liquid Crystal
As I write this article I'm in the process of taking a gem essence of peridot.
Gem and Gemology News
Irradiated Gemstones: Licensee Announced, Guidelines Released
Industry News ...
Gem Classification: Mineral Silicates
The mineral silicates, including beryl, emerald, aquamarine, garnet, tourmaline, moonstone, zircon, and jade and the chemical composition and elements of mineral silicates ...
Gem Glossary
Agate: Agate is microcrystalline or cryptocrystalline quartz. 7 on the Mohs Hardness Scale. Clean routinely with mild soap and warm water solution.
[Gem carver, Alex Horst, using a fixed arbor for carving a citrine--note water drip and the differently shaped diamond tools used in each picture] ...
Organic Gem
Matter that is not technically a gemstone, but is derived from animal or plant life. Organic gems include amber, coral, ivory, pearl and tortoise shell among others.
Gem-A is the short name for The Gemmological Association of Great Britain. This is the oldest and most prestigious gemmological educator in the world and its base is in London, Great Britain.
Links
Official website ...
Gem Facts › Aquamarine
It's Opal Birthstone Month:
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Choosing a Gem
A gemstone is the naturally occurring crystalline form of a mineral, which is desirable for its beauty, valuable in its rarity and durable enough to be enjoyed for generations.
Every Gem Nation diamond is accompanied with an original certification report from one of the world's leading certification authorities - the GIA (Gemological Institute of America), ...
Legend : Coral is known to be used as a gem since prehistoric times. Coral has a history of religious meaning. Coral is one of the seven treasures in Buddhist scriptures.
Tucson Gem & Mineral Show
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BARODA GEM
BAROQUE
Baroque is a term that refers to irregularly-shaped stones or pearls.
Gem beryl is found nearly exclusively in hydrothermal veins, pegmatites, or at the contacts of larger igneous intrusions that invade aluminous schist, shale or impure limestone.
GEM PROPERTIES OF TANZANITE GEM STONES
Tanzanite is an exceptionally rare gem stone- estimated at a thousand times rarer than diamond. There is only one source for it in the world - on the slopes of the legendary Mt. Kilimanjaro.
by gem artists around the globe: Idar Oberstein, Brazil etc.
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In the gem marketplace, a fine stone with a famous pedigree will command an extraordinary premium. A natural sapphire from Burma will often sell for twice the price of a comparable gem from Sri Lanka (Ceylon).
An African gem that comes in yellow and purple shades. It is rarely seen in commercial jewelry stores in either of the two common colors.
Apatite has appeared on the gem markets of the world as a very affordable substitute for Paraiba tourmaline. Canada is the source for the intense sea-blue and green stones can be easily mistaken for the much more expensive tourmalines.
A doublet (also dublette) is a gem made from two layers in order to save expenses; the lower part of the composite stone is glass or a non-precious stone, the top is the more valuable stone.
The gem made its way to Persia in the 1500s (taken as a spoil of war by the Mogul Sultan Babur). At some point it was returned to Indiabut was taken by the East India Company and presented to Queen Victoria of England in 1850.
Compounds & Effects - Shell, Gem, and Wood Dust
Dust produced by cutting, grinding, or polishing these materials can always be a potential eye hazard. Free silica in some stones can cause silicosis. Some contain asbestos and toxic metallic oxides.
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Amorphous means without form. An amorphous gem, like jet, amber, or ivory, does not have a regular internal structure, like those gems that fall within the seven crystal systems.
AMULET ...
People wore or carried gem stones at first, for their therapeutic and medicinal properties. These properties were then associated with characteristics of the zodiac, making them talismans for those born in the same month.
Even though extensive new deposits have recently been discovered in Australia, from which enough opal to virtually inundate the market could be mined, the price of this gem continues to rise.
Gem cutting and gem matching
Completely reliant on the eyes and hands of skilled professionals, expert faceting and matching for size and color is critical in ensuring that the key ingredients in a gorgeous handcrafted piece of jewelry, ...
Gem info:
Peridot has been mined on St. John's Island (known in Arabic as Zibergit) for more than 3000 years. At one time it was known as Topazion and the gem was topazos. Now the name topaz is given to an entirely non-related gem.
Gem Moissanite
Charles and Colvard introduced gem quality moissanite into the commercial market, where it created some confusion and excitement because although it is quite easy to differentiate from diamond, ...
Gem: (Gemstone). A precious or semiprecious stone that may be used as a jewel when cut and polished.
Gem Names and Mineral Names
Two tables: gems listed with their mineral names, and minerals listed with their gem varieties.
What Is a Mineral?
Minerals meet four criteria, more or less strict.
Gem India Corp.
Offering a wide range of gems & jewellery: rough gems, carvings, silver jewellery, pyramids, zeolites, geodes, tools & much more.
Gem & Jewelry Pocket Guide:
A Traveler's Guide to Buying Diamonds, Colored Gems, Pearls, Gold and Platinum Jewelry
by Renee Newman ...
Gem
A mineral crystal or natural gemstone that has been cut and polished. In general, any attractive and relatively flawless mineral crystal can be cut into a gem.
Gem Mining
You'll find gemstone mines throughout the United States, and some of them are set up for visitors who want to spend a day or two searching for their own gemstones.
Gem Care
Fred Ward
This book examines more than 70 of the most valuable and most common gems and tells the reader how to best care for each one.
Gem - A mineral, rock or other natural material which has been cut and polished for use in jewellery, and has the qualities of beauty, durability and rarity ...
Gem Mines of Burma: Rubies and Controversy
The best rubies of the world are found in the mines of Burma, or Myanmar.
GEM COLOUR. The most desirable colour for a stone.
GEMOLOGY. A word coined to supply a specific name for the science of gems.
GLASSIES. Octahedral diamond crystals (transparent).
gem
A stone which has been cut and polished for use in jewelry and fulfills the requirements of beauty, durability, and rarity. A fine stone of unusual quality. Precious or semi-precious stones.
gold ...
Gem: A cut-and-polished stone of beauty to be used in jewelry. Also used as a prefix for exceptional quality; e. g. a gem diamond (be careful, not a proper term as its use depends on the ethics of the seller.) ...
Gem-scope Also referred to as GemoLite, a trademarked microscope by GIA for the purpose of viewing diamonds and gemstones under magnification.
GIA Gem Lab (Gemological Institute of America)
This is considered the premiere diamond grading laboratory in the world. Most people that have shopped for a diamond will usually be familiar with this lab.
Gold Gem Jewelery Design
For The
Fifth Generation
buy now directly from the factory, If you found a jewel but want a different stone or carat call us.
Topaz: Gem of the Setting Sun
The mystery and allure of topaz goes back thousands of years. The Egyptians, for instance, believed the gem was colored with the golden glow of the mighty sun god Ra, which protected the wearer from harm.
Allied Gem Tutorial Centre for the Gem-A
Caribbean Editor, Vista Joyera, a Jewelers Circular/Keystone publication
Recognized as expert gemologist by the international media ...
Total Gem Weight:
The combined carat weight of all the diamonds or colored gems in a piece of jewelry; the main pricing point for a piece. Abbreviated as TW.
Ultra-sonic Cleaner: ...
Organic Gem
Naturally occurring substances wholly or partly derived from plants or animals--coral, jet, pearls.
The Unakite gem was found in the Unakas Mountains situated in North Carolina, in United States of America. The stone was named after the 'Unakas" mountains. The gem consists of pink colored orthoclase feldspar, quartz and green epidote.
Gem
General term for any precious stone. Sample Sapphire, Ruby, Emerald to include in this list are Tourmaline, Tanzanite, Diamond, and Spinel. The world come from the Latin word for gemma and stand for gemstones.
Gem deposits found in water after they have been separated from the mother rock.
Appraisal
An evaluation performed by a licensed gemologist to determine the replacement value of a gem or piece of jewelry.
Gem quality peridot comes from Arizona, Burma, Norway, islands in the Red Sea, Hawaii and is sometimes found in meteorites. It's been mined as a gemstone for thousands of years, and is mentioned in the Bible under the name of Chrysolite.
Gem Info / Jewellery Cleaning Tips
For jewellery cleaning tips see the bottom of this page.
Gem Info ...
Gem of passion, of smoldering desire, ruby has been treasured for thousands of years. Because the ancients thought its glowing red color was due to an inextinguishable inner fire, ruby was also always associated with courage and power.
Gem & Mineral Research: How to Get Answers to Your Questions
CONTENTS
Part 1 ...
Gem Weight (TGW):
Carat weight refers to the actual weight of a single gemstone. In the case of diamonds, a one carat diamond weights 1/5th of a gram.
 See also: Stone, Color, Jewel, Gemstone, Jewelry
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