By Sonia E. Olivares

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By Sonia E. Olivares
crystals
Thursday, March 30, 2006
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How do crystals break

• A. Cleavage
• B. Atoms arrangement
• Many facets
• Several surfaces
• Thin sheets

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Lets make a crystal.
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The color of crystals

• Depends on
• Atoms
• Light
• Some are
• Green Beryl
• Rose Quartz
• Amethyst

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HOW DO CRYSTALS FORM?

• Atoms come together to form a pattern that
  repeats.
• Crystals come in seven different shapes.
• 1.Cubic iron
• 2.Monoclinic
• 3. Triclinic
• 4. Barite
• 5. Tetragonal
• 6. Hexagonal
• 7. Triagonal

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HOW DO CRYSTALS GROW?

• In cavities between rocks
• When cavities become filled the crystal has grown
  as much as it can.

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The fascination of crystals

• They spark and attract with their beautiful
  light.
• They come with interesting shapes and colors
• Collecting them can be an exciting and
  challenging experience.

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What makes up a crystal??

• Atoms are building blocks of crystals.
• Even the smallest crystal (salt)is made up of
  millions of atoms.
• For every type of crystal there is a different
  combination of atoms.
• Salt for example is composed of sodium and
  chlorine.