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Malachite Cabbing: Beauty & Challenge
Malachite cabbing has been a cornerstone of lapidary work for more than 3,000 years. This striking copper-based mineral is found worldwide, but the types...
Aragonite: Formation & Crystal Types
Aragonite and calcite are both members of the calcium carbonate group, both with exactly the same chemical molecules in the same ratios, but they...
Copper Smelting and Early Metallurgy
Copper smelting stands as one of the greatest achievements in early human history. While native gold or copper may have been the first metals...
Flint Rock: Formation and Properties
Flint rock was once the most widely used material in human history. Readily available, extraordinarily durable, and easily worked, it was the first mineral...
Pyrite Mineral: Fool’s Gold Shines Bright
The pyrite mineral is often called fool’s gold, and it’s easy to see why. With its brassy metallic shine, it resembles gold but is...
Iron Ore Minerals: Types & Properties
Iron ore minerals are the naturally occurring sources of iron, from magnetic magnetite to non-magnetic hematite and siderite. These minerals not only fueled the...
Flint and Pyrite: Fire-Making Minerals
Flint and pyrite are more than just striking-looking minerals—they were once the literal spark behind humanity’s ability to create fire. For thousands of years,...
