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How is Amethyst Formed

Amethyst is a purple variety of quartz (SiO₂) formed through a combination of silica-rich fluids, slow crystal growth in op…

Spheroidal Weathering Vs Exfoliation Weathering

Both spheroidal weathering and exfoliation weathering break down massive igneous and metamorphic rocks, sometimes creating…

What is Velvet Malachite

Velvet malachite is a textural habit of the copper carbonate hydroxide mineral malachite (Cu₂CO₃(OH)₂), defined by extreme…

Alligator Quartz

Alligator quartz is a distinctive textural variety of quartz defined by its reptile-skin surface composed of tightly packed…

China’s Hard Pure Gold Explained

China has developed a groundbreaking form of 24K gold known as Hard Pure Gold (硬足金) — a metallurgical innovation that merg…

Perfectly Preserved Dinosaur Egg Found in Argentina

Paleontologists in Argentina have uncovered an extraordinary 70-million-year-old dinosaur egg in near-perfect condition — a …

What is Shungite

Shungite is a rare, carbon-rich mineraloid rock found primarily in the Karelia region of northwestern Russia, near the vil…

How to Tell If a Rock Is Worth Money

When you find an unusual or eye-catching rock and wonder if it might be valuable, the first step is careful observation and …