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Crystal Facts

Get crystal facts. Learn about what crystals are, their common shapes, how crystals grow and how different crystals look.

What Is a Crystal?
Get the definition for a crystal and learn about some common types of crystals.

Crystal Shapes & Structures
Let's take a look at the two main ways to categorize crystal types. I've described the major crystal structures and how crystals are classified by their properties and provided links so that you can see examples of crystal types and learn more about crystallography.

Crystal Photo Gallery
This is a collection of photographs of crystals. Some are crystals you can grow yourself. Others are representative pictures of crystals of elements and minerals.

How to Grow Crystals
Do you want to grow crystals, but you aren't sure where to start or what to do to make sure your crystals turn out well? Here's some basic information on crystal growing. I've provided links to recipes so you can start growing crystals.

Bravais Crystal Lattices
There are 14 distinct Bravais crystal lattices. The lattices can be used to describe the geometrical symmetry of a crystal. The Bravais lattices are sometimes called space lattices.

Mohs Scale of Hardness
The Mohs Scale of Hardness measures how well a substance resists scratching by another material. You can use this scale to test the hardness of rocks, minerals, and crystals, to help identify them.

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