Tourmaline Thin Section
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Also found as anhedral grains or irregular masses.
Tourmaline thin section. Tourmaline plane polars tourmaline crossed polars. Home rocks and minerals tourmaline thin section reference url share. It also exhibits intense pleochroism.
Add tags comment rate. Tourmaline in hand sample. Also found in metasomatically altered limestone and dolomite in contact metamorphic zones.
Longitudinal sections are usually roughly rectangular. Tourmaline in tourmaline schist plane polars. Tourmaline forms triangular prismatic crystals and can show a range of body colours.
Acicular crystals may form radiating masses. Tourmaline commonly forms euhedral stubby columnar to acicular crystals that show a rounded triangular or crudely hexagonal cross section. Pink tourmaline in lepidolite.
Tourmaline is also a common mineral in schist gneiss quartzite and phyllite. Tourmaline in tourmaline schist crossed polars. Minerals in thin section 2000 perkins dexter and henke kevin.
Tourmaline in thin section. Tourmaline thin section view description.
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