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Geosciences LibreTexts

3.4: Activity 3C - Assessing Breakage

  • Page ID
    14518
  • Your instructor will indicate which minerals to assess for this section. Use Figure 3.8 for guidance.

    Sample number:

    Does this mineral show cleavage or fracture?

    If the sample shows cleavage, answer the following questions by circling the correct answer,

    How many planes of cleavage is visible?

    1 2 3 4

    If more than one, are cleavage directions:

    at 90° not at 90°

    Which three-dimensional shape is created by this type of cleavage?

    Cubic Rhombohedral Sheet/Basal Octahedral

    Sample number:

    Does this mineral show cleavage or fracture?

    If the sample shows cleavage, answer the following questions by circling the correct answer,

    How many planes of cleavage is visible?

    1 2 3 4

    If more than one, are cleavage directions:

    at 90° not at 90°

    Which three-dimensional shape is created by this type of cleavage?

    Cubic Rhombohedral Sheet/Basal Octahedral

    Sample number:

    Does this mineral show cleavage or fracture?

    If the sample shows cleavage, answer the following questions by circling the correct answer,

    How many planes of cleavage is visible?

    1 2 3 4

    If more than one, are cleavage directions:

    at 90° not at 90°

    Which three-dimensional shape is created by this type of cleavage?

    Cubic Rhombohedral Sheet/Basal Octahedral

    Sample number:

    Does this mineral show cleavage or fracture?

    If the sample shows cleavage, answer the following questions by circling the correct answer,

    How many planes of cleavage is visible?

    1 2 3 4

    If more than one, are cleavage directions:

    at 90° not at 90°

    Which three-dimensional shape is created by this type of cleavage?

    Cubic Rhombohedral Sheet/Basal Octahedral

    Sample number:

    Does this mineral show cleavage or fracture?

    If the sample shows cleavage, answer the following questions by circling the correct answer,

    How many planes of cleavage is visible?

    1 2 3 4

    If more than one, are cleavage directions:

    at 90° not at 90°

    Which three-dimensional shape is created by this type of cleavage?

    Cubic Rhombohedral Sheet/Basal Octahedral

    Sample number:

    Does this mineral show cleavage or fracture?

    If the sample shows cleavage, answer the following questions by circling the correct answer,

    How many planes of cleavage is visible?

    1 2 3 4

    If more than one, are cleavage directions:

    at 90° not at 90°

    Which three-dimensional shape is created by this type of cleavage?

    Cubic Rhombohedral Sheet/Basal Octahedral

    Sample number:

    Does this mineral show cleavage or fracture?

    If the sample shows cleavage, answer the following questions by circling the correct answer,

    How many planes of cleavage is visible?

    1 2 3 4

    If more than one, are cleavage directions:

    at 90° not at 90°

    Which three-dimensional shape is created by this type of cleavage?

    Cubic Rhombohedral Sheet/Basal Octahedral

    Sample number:

    Does this mineral show cleavage or fracture?

    If the sample shows cleavage, answer the following questions by circling the correct answer,

    How many planes of cleavage is visible?

    1 2 3 4

    If more than one, are cleavage directions:

    at 90° not at 90°

    Which three-dimensional shape is created by this type of cleavage?

    Cubic Rhombohedral Sheet/Basal Octahedral