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Crystal

en.wikipedia.org/wiki/Crystal

A crystal or crystalline solid is a solid material whose constituents, such as atoms, molecules or ions, are arranged in a highly ordered microscopic structure, forming a crystal lattice that extend...

The UnMuseum - Crystals - Museum of Unnatural Mystery

www.unmuseum.org/crystals.htm

Crystals do not just come from minerals. Most substances will form a crystal if allowed to solidify under the right conditions. Usually the slower the process ...

Where do crystals grow? - Ask.com

www.ask.com/science/crystals-grow-dd41cd99427677e4

Mineral crystals form at the surface and deep within the Earth. They grow from vapors that contain plenty of mineral components. Many crystals form in volcanic  ...

How Do Crystals Grow? - The Dynamic Earth @ National Museum of ...

naturalhistory.si.edu/earth/text/2_2_2_2.html

New mineral crystals are always forming — at the surface and deep within the Earth. Crystals can even grow from vapors rich in mineral components.

Smithsonian Education - Minerals, Crystals and Gems

www.smithsonianeducation.org/educators/lesson_plans/minerals/minerals_crystals.html

As crystals grow, differences in temperature and chemical composition ... However, some specimens do not have well-formed crystals and are difficult even for ...

Where do geodes come from? » Scienceline

scienceline.org/2012/11/where-do-geodes-come-from/

Nov 20, 2012 ... I've even got one on my desk at home: a smooth, brownish rock encasing milky lavender crystals. It's hard to deny the allure of a rock that is ...

www.ask.com/youtube?q=Where Do Crystals Come from&v=rQB4Hwi4O-M
Jun 2, 2009 ... Crystals form very slowly in a cavity of liquid, and solids form from the liquid into geometric patterns. Understand the formation of crystals with ...

How Crystals Form

www.chemistry.co.nz/crystals_forming.htm

How do crystals form and how do they grow? Crystals start growing by a process called nucleation. Nucleation can either start with the molecules themselves or ...

Where do gems form?

nature.berkeley.edu/classes/eps2/wisc/Lect3.html

Do you have a way to play the movies properly? If not, click ... A similar, familiar processes is formation of salt crystals by evaporation of sea water. The mineral ...

kids science information on crystals - Science Kids at Home

www.sciencekidsathome.com/science_topics/what_are_crystals.html

Crystals are all around us every day. Most of the time, we don't even realize all the crystals we see every day. But what are they and how do they form? Continue  ...

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Science for Kids: Crystals - Ducksters

www.ducksters.com

How do they form? ... What unique properties do crystals have? ... They are very popular in jewelry because they can sparkle and come in many different colors.

What Is a Crystal and How Does It Form? | eHow

www.ehow.com

Crystals come in many different shapes and sizes, and each one has different characteristics. What they are made of determines how it will form. Some crystals  ...

Learn About Crystals - Home Science Tools

www.hometrainingtools.com

Learn about crystals: what they are made of, what shapes the grow in, and more! Get projects here ... A crystal of salt is a different shape than a crystal of sugar (do the Salt vs. Sugar project ... I'll have to tell you guys when the results come in…