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Quartzite VS Silica VS Silicon Dioxide

by mymachine
Tags: dioxide, quartzite, silica, silicon
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May26-13, 12:55 AM
P: 42
Are they the same?

Quartzite is found in the nature as the rock form.

The colors are, some light brown, and some transparent.

Silicon dioxide is a powder, its color is white.

What is a silica?

Is there available a picture/image of a silica?

I have a mix of rocks such as below image:


What kind of rocks are they?

She says it was found in the nature.

I doubt it because the shape, like was shaped by the hand.

It like a synthesis then shaped by the hand.

What is the chemical composition?

I will crush them using the stone crusher machine.

I doubt the form will be a powder instead of more rough than a powder.

How do I make it to be a powder?

How many times to be crushed so that the form will be a powder?

What equipment do I need to make it as a powder?

Or what chemical additive to be used to make it as a powder?

Thank you
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May26-13, 05:55 AM
Sci Advisor
HW Helper
PF Gold
P: 6,744

silica = silicon dioxide

You can't tell chemical composition from just a photograph.

Smooth stones form can form as a result of erosion by flowing water.

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