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