DICTIONARIES & GLOSSARIES:
• HOUGHTON MIFFLIN COMPANY   Glossary
• Your Dictionary.com  Multi-language Dictionaries
• UNIVERSITY OF SHEFFIELD   Periodic Table & Chemical Data
• Iowa State:  Glossary of Geologic Terms

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  MINERALOGY:

• ATHENA  Mineralogy
• The Mineral Gallery
• Mineralogy Database
• The Mineral And Gemstone Kingdom
• Virtual Atlas Opaque & Ore Minerals in their Associations

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  CHEMISTRY & PHYSICS:

• NIST Physics Laboratory   Physical Reference Data

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  ECONOMIC GEOLOGY:

• Data Melallogenica on-line   Repository of Mineral Deposit Data

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  TOOLS & MISC:

• Measurement Conversions
• ARACHNOID   Unit Converter
• TIME ZONES
• DAVE'S MATH TABLES
• Berkeley's Museum   Geological Time Scale

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