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Biotite mica contains iron and/or magnesium, but muscovite mica does not.

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Ignacio Green

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True or false Granite can be pink or black depending on the ratio of feldspar mica and quartz?

True. The color of granite is determined by the presence and ratio of minerals such as feldspar, mica, and quartz. Pink granite typically contains more feldspar, while black granite contains more mica and quartz.


What is the difference in silicates such as asbestos mica and quartz?

Asbestos is a fibrous silicate mineral known for its heat resistance; mica is a silicate mineral with a layered structure commonly used in electronics; quartz is a silicate mineral composed of silicon and oxygen atoms arranged in a crystal lattice, often used in jewelry and as a building material.


What minerals occur in granite?

Granite typically contains minerals such as feldspar (including orthoclase and plagioclase), quartz, and mica (including biotite and muscovite). Other minerals like hornblende, amphibole, and pyroxene may also be present in smaller amounts.


The difference between quartzite and quartz is that in quartzite the grains have been?

The difference between quartzite and quartz is that quartzite is a metamorphic rock formed from sandstone under heat and pressure, while quartz is a mineral composed of silicon and oxygen. In quartzite, the grains of sandstone have been recrystallized into a interlocking mosaic of quartz crystals, giving it a more durable and non-porous nature compared to quartz.


A brown and gray rock that is kind of sparkly?

It is impossible to identify rocks that you do not have in front of you to look at.

Related Questions

What is the difference between mica schist and adventurine?

Mica schist is primarily composed of mica, whereas aventurine - note the spelling- is composed of quartz with abundant inclusions of mica. This makes for a relatively hard, tough and attractive material that can be polished into jewelry and many other items.


Which would not be consider as a mineral water diamond mica or quartz?

Quartz


Minerals containing silicon?

Quartz, feldspars, mica.


True or false Granite can be pink or black depending on the ratio of feldspar mica and quartz?

True. The color of granite is determined by the presence and ratio of minerals such as feldspar, mica, and quartz. Pink granite typically contains more feldspar, while black granite contains more mica and quartz.


What are the different kinds of siliceous mineral?

quartz, feldspar, and mica.


What rock is made from only feldspar mica and quartz?

Granite.


When granite weathers mechanically what does it turn into?

quartz, feldspar, and mica


What are the four major rocks?

they are quartz, mica, feldspar, and calcite.


What is the difference in silicates such as asbestos mica and quartz?

Asbestos is a fibrous silicate mineral known for its heat resistance; mica is a silicate mineral with a layered structure commonly used in electronics; quartz is a silicate mineral composed of silicon and oxygen atoms arranged in a crystal lattice, often used in jewelry and as a building material.


What minerals occur in granite?

Granite typically contains minerals such as feldspar (including orthoclase and plagioclase), quartz, and mica (including biotite and muscovite). Other minerals like hornblende, amphibole, and pyroxene may also be present in smaller amounts.


Is a common mineral that breaks along smooth and flat edges quarts or mica?

That would be mica...and it's spelled "quartz"


Most silicate rocks on earths surface are?

Quartz, feldspar or mica