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The most common minerals in gneiss are quartz, potassium feldspar, and sodium feldspar. Smaller amounts of muscovite, biotite and hornblende are common. Gneiss can also form from gabbro or shale.

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What mineral is common in schist and gneiss but not common is slate and phyllite?

The mineral common in schist and gneiss but not common in slate and phyllite is garnet. Garnet typically forms in higher-grade metamorphic rocks such as schist and gneiss due to the increased temperature and pressure conditions necessary for its formation.


Is schist a mineral?

No it is a rock


What is gneiss and schist?

Both are foliated metamorphic rocks in which individual minerals can be seen with the naked eye. The difference is that gneiss is generally more coarsely crystalline and has color banding and schist smells bad.


What is schist is use for?

Schist is mainly used as a decorative stone or as a mineral source.


Most common form of Mica occurring in Gneiss granite and schist?

muscovite


What is the most common mineral that can be magnetized?

The most common mineral that can be magnetized is magnetite.


How is schist rock used by human beings?

the schist rock is mainly used as a decorative stone and jewelry or a mineral source.


Is calcite the most common mineral on earth?

No. Quartz is the most common single mineral.


What is the color of schist?

The color of schist depends on its mineral composition. It can be gray, yellow, light or dark green, brown, or even black.


What is the most common form of mica occurring in various rocks including gneiss granite and schist?

Biotite is the most common form of mica.


What are the common kinds of metamorphic rocks?

The most common metermorphic rocks are : Marble, quartz, slate, phyllite, schist, geniss.


What type of rock often have foliation?

Metamorphic rocks often have foliation, which is a layered structure that results from the alignment of mineral grains due to heat and pressure during formation. Common types of foliated rocks include slate, schist, and gneiss.