Crystals Can Form Great Shapes

There are many, many different crystal shapes in the world.  In fact, there are too many to list in a simple blog post!  Determining the shapes of different minerals can help you uncover their identity. Some of the most common minerals and their shapes are shown in this fun image.  The most interesting part about crystal shapes is that minerals can sometimes form more than one shape depending on how it grows or its environment! Do you have any fun minerals with great shape?

Sometimes you will see a mineral that looks like two crystals that have grown together.  This is called a “twinned” crystal. Staurolite is a commonly twinned mineral.

Minerals can also form where many crystals form in a group or layer and are attached to one another side by side.  This is called a mineral “cluster” or “druze.” Quartz, amethyst and citrine are commonly found in a druze form inside geodes.

What kind of minerals do you have and what shape are they? We’d love to hear from you in the comments and post a picture here or on our Facebook page!


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