This category is for information about gemstones and their properties.
Gemstones are generally regarded as: Polished fragments of 'precious' and 'semi-precious' minerals, used for decorative purposes.
Examples of Precious Stones:
...
This page was last updated on August 7th, 2008
This page was last updated on August 7th, 2008
Gemstone (from Rocks and Minerals)
Canadian Content » Science » Earth_Sciences » Geology » Rocks_and_Minerals » Gemstone »
NOVA
Gemstone primer with photos and vital information regarding gemstones.
Larimar Museum
The Larimar Museum in Santo Domingo-scientific facts about the blue volcanic pectolite Larimar.
Smithsonian Gem & Mineral Collection
Pictures and short descriptions of gems and minerals found at the Smithsonian.
Bluechart
A gem identification chart for $18.
Gemology Tools
Software for the professional gemologist or gemology student/enthusiast.
National Gemstone
Introduction to collecting and investing in gemstones and colored diamonds, with descriptions of the types most widely traded.
Secret Jewelry Collection
A Japanese collector's site of jewelry, minerals and gemstones.
Caribbean Gemological Institute
Caribbean jewelers organization includes jewelry, shopping and travel tips..
Gemstone Forecaster Newsletters
Analyzes Burma ruby and sapphire gems and collector gemstone markets.
FTC
FTC Guides for jewelry and precious metals.
Secrets of the Gem Trade. The Connoisseur's Guide To Precious Gemstones.
A new gem book by by R. W. Wise.
Gems and Precious Stones
An on-line gem and jewelry course at UC Berkeley.
The Image
Mineral and gemstone galleries. Physical properties and historical facts for minerals and gemstones.
Fluorescent Minerals under Ultraviolet Light
Descriptions and pictures of different gems and minerals under UV lights.
Gem Hut
Hundreds of descriptions for gems, minerals, and rare metals. Pictures, hardness, and composition.
University of Texas Gem Class
Gem and Mineral class at the University of Texas, Austin.
GeoNord
Gem and mineral site from Sweden.
Photomicrography by Erik Carlson
Photomicrography of diamonds and other gemstones.
Dan Dennis
Author of "Gems: A Lively Guide for the Casual Collector."
Gemstone primer with photos and vital information regarding gemstones.
The Larimar Museum in Santo Domingo-scientific facts about the blue volcanic pectolite Larimar.
Pictures and short descriptions of gems and minerals found at the Smithsonian.
A gem identification chart for $18.
Software for the professional gemologist or gemology student/enthusiast.
Introduction to collecting and investing in gemstones and colored diamonds, with descriptions of the types most widely traded.
A Japanese collector's site of jewelry, minerals and gemstones.
Caribbean jewelers organization includes jewelry, shopping and travel tips..
Analyzes Burma ruby and sapphire gems and collector gemstone markets.
FTC Guides for jewelry and precious metals.
A new gem book by by R. W. Wise.
An on-line gem and jewelry course at UC Berkeley.
Mineral and gemstone galleries. Physical properties and historical facts for minerals and gemstones.
Descriptions and pictures of different gems and minerals under UV lights.
Hundreds of descriptions for gems, minerals, and rare metals. Pictures, hardness, and composition.
Gem and Mineral class at the University of Texas, Austin.
Gem and mineral site from Sweden.
Photomicrography of diamonds and other gemstones.
Author of "Gems: A Lively Guide for the Casual Collector."
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