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Models of Crystal Shapes


face centered crystal shapes body centered crystal shapes

Crystallography, the study of crystals is important both in the study of minerals and chemistry.  Each chemical element and compound (a mineral is a compound, or an element) has a specific shape to its crystals.  These shapes can help in identifying the mineral or chemical.

Crystals are sorted (classified) into six classes according to their shape.  Each class contains two types.  Many crystals combine different shapes.

While building models is usually not considered a science project by itself, models are often useful as part of a project to help illustrate and explain what you have learned.

I have created a model of the simplest shape of each type.  Assembling these models will help you to appreciate and understand the various shapes better than the two dimensional diagrams in the books.

Directions:
1. Click on Face Centered Crystal Shapes.
2. Use the "print" command on your browser, it should print the six patterns, two on each page.
3. Click on Face Centered Crystal Chart.
4. Use the "print" command on your browser, it should print the chart.
5. Cut out the first crystal pattern on the solid lines.
6. Lay the pattern on a flat surface with the printed side up.
7. Fold the model upward and crease along each dotted line, this will put all the printing on the inside of the model.
8. Glue tab "A" to the INSIDE of edge "A".
9. Continue to glue each of the other edges in the same way.
10. Select the least attractive side of the model, and glue that side to the appropriate space on the chart.

11. Click on Body Centered Crystal Shapes.
12. Use the "print" command on your browser, it should print the six patterns, two on each page.
13. Click on Body Centered Crystal Chart.
14. Use the "print" command on your browser, it should print the chart.
15. Cut out the first crystal pattern on the solid lines.
16. Lay the pattern on a flat surface with the printed side up.
17. Fold the model upward and crease along each dotted line, this will put all the printing on the inside of the model.
18. Glue tab "A" to the INSIDE of edge "A".
19. Continue to glue each of the other edges in the same way.
20. Select the least attractive side of the model, and glue it to the appropriate space on the chart.


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