Mineral Test 1 Write down details on each mineral as seen under PPL and XPL on the worksheets provided for you; then name the mineral under PPL colour.

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Presentation transcript:

Mineral Test 1 Write down details on each mineral as seen under PPL and XPL on the worksheets provided for you; then name the mineral under PPL colour transparency relief crystal or fragment shape cleavage fracture pleochroism under XPL interference colours twinning extinction angle

The MINERALS to choose from (not given in this order) quartz microcline plagioclase muscovite biotite amphibole pyroxene olivine garnet calcite

mineral 1 mineral 1 PPL XPL Mineral 1

mineral 2 mineral 2 mineral 2 mineral 2 PPL XPL Mineral 2

mineral 3 mineral 3 mineral 3 mineral 3 PPL XPL Mineral 3

mineral 4 mineral 4 PPL XPL Mineral 4

Mineral 5 PPL - stage turned 70o in lower view XPL mineral 5 mineral 5

mineral 6 mineral 6 PPL XPL Mineral 6

Mineral 7 PPL – stage rotated 90o in lower view XPL mineral 7

mineral 8 mineral 8 air bubble mineral 8 mineral 8 PPL XPL Mineral 8

mineral 9 mineral 9 PPL XPL Mineral 9

consists of entirely one mineral PPL XPL Mineral 10 consists of entirely one mineral