Help with the identification of 3 rocks

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raillroad

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Help with the identification of 3 rocks

Hi!
I went to my parents house and found some rocks I collected as a kid. Can someone help me identify which ones they are and what minerals they contain?

Thank you in advance! =)

John

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Hi,  Whilst the pictures

Hi,

 Whilst the pictures are not brilliant, I think I can identify the first two.

Number one is silcon carbide - a man made by product of hydroelectricity.  Most comes from fRance or Norway.   They make things like grinding wheel from it.  It is very brittle, sharp and splintery.  Keep it well away from pets and kids.

The second on I reckon is probably a slate.  Originally it would have been mudstone which has been metamorphised.

The third could be almost anything.  Could you do a clearer picture of it please?

John

“Civilisation exists by geological consent, subject to change without notice.” -  Will Durant


John

“Civilisation exists by geological consent, subject to change without notice.” -  Will Durant

Gus Horsley

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I agree with John, the first

I agree with John, the first is man-made, the second is a toy car, and the third is a pebble with quartz running through it.

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