mineral test 2 write down details on each mineral as seen under ppl and xpl on the worksheets...
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Mineral Test 2
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 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 1mineral 1
PPL XPL
Mineral 1
mineral 2 mineral 2
mineral 2mineral 2
PPL XPL
Mineral 2
Mineral 3(view on right - under PPL)
mineral 3
mineral 3
mineral 3
mineral 4mineral 4
PPL XPL
Mineral 4
mineral 5 mineral 5
PPL XPL
Mineral 5
mineral 6 mineral 6
PPL XPL
Mineral 6
XPL
PPL – lower view rotated 70o
Mineral 7
mineral 7
mineral 7
mineral 7
mineral 8 mineral 8
PPL XPL
Mineral 8(consists entirely of mineral 8)
mineral 9mineral 9
mineral 9
PPL XPL
Mineral 9
mineral 10
mineral 10
mineral 10
mineral 10
PPL XPL
Mineral 10