Question

Plays mica crystals visible from metamorphism of clay or feldspar​

Answer 1

Answer:

In the formation of schist, the temperature has been hot enough so that individual mica crystals are visible, and other mineral crystals, such as quartz, feldspar, or garnet may also be visible. In gneiss, the minerals may have separated into bands of different colours.

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Answer 2

Plays mica crystals visible from metamorphism of clay or feldspar​.

• There are 2 kinds of metamorphic rocks: those that have been foliated since they evolved in an ecosystem either with applied stress and shear stress, and those that are non-foliated as they developed closer to the surface with little to no pressure.
• Slate, schist, phyllite, and gneiss are the several forms for foliated rock formations, ranked in order of such grade and severity of metamorphism as well as the type of foliation.
• Slate is prone to shattering into flat sheets. Such micas had gotten considerably and thus are visible like a sheen here on the surface of phyllite, which is identical to slate but has been heated to either a greater temperature.
• Phyllite can occur in wavy layers when the slate is normally flat. Individual mica crystals, as well as many other mineral crystals including feldspar, quartz, or garnet, may be observed in the creation of schist.
• Minerals in gneiss may have split into bands of various colors. Amphibole dominates the dark bands, whereas feldspar and quartz dominate the light bands.