Assay
Science
Commodities List
Gold The Metal
Identifying Gold
Properties of Gold
Basement Chemistry for the Prospector
Cyanide Leaching
Acids and Bases
Halide Leaching and Recovery
Super Clorox
All About Mercury
Snakes of Central America
Black Sand, Tellurides and Sulfides
Melting & Smelting
Assaying and Smelting
Rules of Solubility
Colorimetric Assay of Gold
Filtering
Determination of Free Cyanide in Solution
Weights & Measures
Terminology
Glossary of Mining Terminology
Glossary of terms used in Lode and Placer Mining
Weights and Measures
Gold in Quartz Formula
Weights a Measure of your Success
Specific Gravity and Hardness of Gemstones
Weights, Measures and Conversion Factors
Temperature Conversions
Fraction Decimals and Millimeters
Specific Gravity and Hardness of Common Minerals
Weight and Measures
Troy Weight Conversion Chart for Gold
Determine Country of a product from the UPC/Barcode
Mineral Assayers
Action Mining Services
Fire-Assay
Almanon
National Testing Standards
A A A Precious Metals
Peter Mclaughlin
Asset Exchange Ltd
Precious Metals Of Arizona, Inc.
Butler Lab
Rare Metals LLC
Copper State Analytical Lab (CSAL, Inc.)
Southern Spectrographic Lab