Since 1934, the American Gem Society (AGS) has played a prominent role in creating industry standards and promoting laws and regulations that protect the jewelry buying public. To reinforce this effort, the AGS requires members to comply with the most stringent criteria for ethical business practices – the ultimate in consumer protection.
Canadian Gemmological Association (CGA) is Canada's professional organization for the practice of gemmology. This website contains information about the organization, including information on membership, products, meeting times, annual Gem Conferences and more.
Established in 1931, the Gemmological Institute of America (GIA) is the world’s largest and most respected nonprofit institute of gemological research and learning. Conceived 72 years ago in the august tradition of Europe’s most venerated institutes, GIA discovers (through GIA Research), imparts (through GIA Education), and applies (through the GIA Gem Laboratory and GIA Gem Instruments) gemological knowledge to ensure the public trust in gems and jewelry.
The International Colored Gemstone Association (ICA) is a non-profit association which was founded in 1983 to represent the international gemstone industry. The ICA is the first and only organization working to increase the understanding, appreciation, and sales of colored gemstones worldwide.
MinDat.org is the largest mineral database and mineralogical reference website on the internet. This site contains worldwide data on minerals, mineral localities and other mineralogical information.
The Mineralogical Society of America (MSA) was founded in 1919 for the advancement of mineralogy, crystallography, geochemistry, and petrology, and promotion of their uses in other sciences, industry, and the arts.
WebElements is a high quality source of chemistry information on the WWW relating to the periodic table. Coverage is such that professional scientists and students at school interested in chemistry and other sciences will all find something useful.
The Webmineral.com site contains mineral data on individual species that are linked to mineral tables by crystallography, X-Ray powder diffraction, chemical composition, physical and optical properties, Dana's New classification, Strunz classification, mineral specimen images, and alphabetical listings of mineral species. There are extensive links to other sources of mineral data and information.
Mineral Information Links.
What is Site
Site Meter is a free,
fast, and easy way to add a web counter to your web page. Not only does it
display the number of visitors to your web site, it also keeps statistics on the
number of visits each hour and each day. See an example of the
real-time web traffic reporting you can have on your site.
Get Your Own
There's no program to download;
nothing to install. Site Meter also has a variety of web counter styles from
which to choose.
Find out how easy it is add a Site Meter to
your site. Sign up
for a free Site Meter.