test video table formats

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mineral PPL (lower
polar rotation)
(stage rotation)
(stage rotation)
optic figure
(stage rotation)
orthoclase (FKM-78):
orthoclase micro-mesoperthite in high grade low-silica feldspathic gneiss, with biotite
microcline (FKM-74):
microcline K-feldspar in carbonatite-associated K-metasomatite, with diopside clinopyroxene, zoned amphibole and apatite