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Gemstone
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:
Diamonds / Sapphires / Rubies / Emeralds
Examples of Semi-Precious Stones:
Topaz / Garnet / Spinels.
Examples of Other stones used as gems:
Jade / Agate / Opal
Gemstones are generally regarded as: Polished fragments of 'precious' and 'semi-precious' minerals, used for decorative purposes.
Examples of Precious Stones:
Diamonds / Sapphires / Rubies / Emeralds
Examples of Semi-Precious Stones:
Topaz / Garnet / Spinels.
Examples of Other stones used as gems:
Jade / Agate / Opal
Sites in Gemstone
Fluorescent Minerals under Ultraviolet Light
Descriptions and pictures of different gems and minerals under UV lights.
Bluechart
A gem identification chart for $18.
Caribbean Gemological Institute
Caribbean jewelers organization includes jewelry, shopping and travel tips..
Dan Dennis
Author of "Gems: A Lively Guide for the Casual Collector."
FTC
FTC Guides for jewelry and precious metals.
Gemstone Forecaster Newsletters
Analyzes Burma ruby and sapphire gems and collector gemstone markets.
NOVA
Gemstone primer with photos and vital information regarding gemstones.
Smithsonian Gem & Mineral Collection
Pictures and short descriptions of gems and minerals found at the Smithsonian.
University of Texas Gem Class
Gem and Mineral class at the University of Texas, Austin.
The Image
Mineral and gemstone galleries. Physical properties and historical facts for minerals and gemstones.
Larimar Museum
The Larimar Museum in Santo Domingo-scientific facts about the blue volcanic pectolite Larimar.
Gem Hut
Hundreds of descriptions for gems, minerals, and rare metals. Pictures, hardness, and composition.
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.
GeoNord
Gem and mineral site from Sweden.
Photomicrography by Erik Carlson
Photomicrography of diamonds and other gemstones.
Secret Jewelry Collection
A Japanese collector's site of jewelry, minerals and gemstones.
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. |
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