Mineralogy
Mineralogy explores the composition, structure, formation, and classification of minerals. This category covers physical properties, identification methods, and geological environments.
Crystal Systems: The 7 Fundamental Structures That Shape All Crystals
When you look at a crystal, the first thing you usually notice is its shape.Flat faces, sharp edges, repeating geometries.It looks like someone sat...
Rock Forming Minerals
Understanding the Foundation of Our Planet’s CrustEvery rock on Earth tells a story, and at the heart of that story lie minerals — the...
Gemstones vs Minerals vs Crystals – The Real Differences
People who are new to geology, gemology, or even crystal collecting often run into the same confusion: What exactly is the difference between a...
Mineral Identification Chart for Beginners
Understanding how to identify minerals is one of the most essential skills in geology. Minerals form the building blocks of rocks, and learning to...
Mineralogical Diversity of Meteorites
Meteorites are fragments of extraterrestrial bodies that survive the journey through Earth's atmosphere and reach the surface. They provide valuable insight into the formation...
The Role of Quartz in Earth’s Crust
Quartz, a mineral abundantly found in the Earth's crust, plays a crucial role in various geological processes and human activities. Its unique properties and...
Why Minerals Have Color
When geologists talk about the color of minerals, they are not just describing an aesthetic detail. Mineral color is one of the most fascinating...
Physical Properties of Minerals
(How Geologists Identify and Classify Minerals in the Field)Understanding the physical properties of minerals is one of the most fundamental skills in geology. Every...
Why Do Some Crystals Grow Perfectly and Others Don’t?
You look at a crystal.Flat faces. Sharp edges. Symmetry that is almost uncomfortable.Then you look at another crystal.The same mineral. The same color. But...
Optical Properties of Minerals
Study of how light passes through thin sections – rock cut and polished to about 0.3 mm thickness
Use properties of light absorption and propogation through a mineral à affected by atomic arrangement and composition
Learn the properties of light associated with techniques governing the use of a petrographic microscope
