Transmitted light: Mineral identifier

The mineral you want to identify:

is isotropic or weakly anisotropic, with low relief.

is isotropic or weakly anisotropic, with high relief.

exhibits parallel and mottled “birds-eye” extinction.

show two intersecting cleavages in the basal sections

When rotating the stage, CHANGES ITS RELIEF from low to medium/high: it is a carbonate. It is not possible to differentiate calcite, dolomite, siderite, magnesite, and rhodochrosite from each other under a petrographic microscope.

in PPL is colorless and has low or medium relief; in XPL has lower 1st order colors and is BIAXIAL.

in PPL is colorless and has moderate to high relief; in XPL shows colors of lower 1st order.

in PPL is colorless and has low or medium relief; in XPL shows colors higher than lower 1st order.

in PPL is colorless and in XPL shows anomalous interference colors, which are not found in the Michel-Levy interference color chart.

in PPL is colored and has NO pleochroism or has barely perceptible pleochroism.

in PPL is colorless and has moderate to high relief; in XPL shows colors higher than lower 1st order.

in PPL is colorless and has low or medium relief; in XPL has lower 1st order colors and is UNIAXIAL.

in PPL is pleochroic in pale green colors.

in PPL is pleochroic in deep green colors, may be brownish or yellowish.

in PPL is pleochroic in intense red colors, may be brownish.

in PPL is pleochroic in dominantly brown colors, may be reddish.

in PPL is pleochroic in dominantly yellow colors, may be orange.

in PPL is pleochroic in dominantly pink colors.

in PPL is pleochroic in dominantly blue colors.

<