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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 is steatite?
Steatite is soapstone, a talc-schist metamorphic rock composed of the mineral talc.
What is a type of metamorphic rock in which mineral grains grow and rearrange but do not form layers?
schist
What is graphite schist?
It is a medium-grade metamorphic rock with a preponderance of the platy mineral graphite.
The most common form of Mica accuring in various rocks including Gneiss Granite and Schist?
muscovite
Is schist rare?
No. Shale is the most common sedimentary rock exposed on the surface of Earth.
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.
How is schist rock used by human beings?
the schist rock is mainly used as a decorative stone and jewelry or a mineral source.
Which mineral is responsible for the strong foliation in a schist?
quartz or mica
Most common form of Mica occurring in Gneiss granite and schist?
muscovite
What is the second most common mineral?
The second most common mineral on Earth is quartz. The most common mineral is feldspar, but some people donâ??t feel that it is a 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.
Is calcite the most common mineral on earth?
No. Quartz is the most common single mineral.
What is a mineral that is after phyllite and before gneiss?
Not a mineral but a rock. Schist comes asfter phyllite ut before gneiss.
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.
The most common mineral group contains minerals?
Silicates are the most common mineral group.
