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Rocks & Minerals
The Process of Surface Gold Mining
How to Create the Colors in Fireworks
What Are the Four Types of Coal & How Are They Formed?
How to Smelt 14Kt Gold
How to Find Geodes at Cumberland Lake
What Would Cause Sterling Silver to Turn White?
Techniques of Annealing Brass
How to Know a Real Jade Stone
Rocks That Have Silver
What Useful Things Do Metalloids Do?
Sand & Gravel Extraction Methods
Types of Clays & Uses
How to Tell the Differences in Metals
A Poor Man's Method of Smelting Gold
The Common Use of Silicon Carbide
Types of Glacial Moraines
Mythical Properties of Gems
How to Harden Silver
Chemicals Used to Identify Gold
How to Create Patina on Copper With Acid
A History of the Mineral Sapphire
What Are the Kinds of Sediments in a Rock Cycle?
Properties & Characteristics of Rubies
Three Natural Forces Affecting Rocks
Is There a Difference Between Crude Oil & Petroleum?
Difference in Weight of Steel Versus Cast-Iron
The Weakness of the Principles of Geologic Dating
The Difference Between Hot Rolled & Pickled Steel
Chemical Properties of Emeralds
Uses for Emeralds & Sapphires
How to Make Copper Acetate
Types of Stones in Orillia, Ontario
What Are the Causes of Sand Deposition?
List of Quartz Varieties
Function of Quartz
Uses for Chrome Oxide Green
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2025-04-26 14:37
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