mineral test 1 write down details on each mineral as seen under ppl and xpl on the worksheets...

Mineral Test 1Mineral 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 1mineral 1

PPL XPL

Mineral 1

PPL XPL

Mineral 2

mineral 2mineral 2

mineral 2mineral 2

mineral 3

mineral 3

mineral 3

mineral 3

PPL XPL

Mineral 3

mineral 4mineral 4

PPL XPL

Mineral 4

Mineral 5

XPLPPL - stage turned 70o in lower view

mineral 5

mineral 5

mineral 5

mineral 6mineral 6

PPL XPL

Mineral 6

XPL

PPL – stage rotated 90o in lower view

mineral 7

Mineral 7

mineral 7

mineral 7

mineral 7

mineral 8

mineral 8 mineral 8

mineral 8

air bubble

PPL XPL

Mineral 8

mineral 9mineral 9

PPL XPL

Mineral 9

mineral 10mineral 10

PPL XPL

Mineral 10consists of entirely one mineral