Can someone identify these?

[Chengjing]

Been to the beach and found these items, can someone tell me what they are. Thanks!

Number 1


Number 2


Number 3


Number 4

 

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[smokeythecat]

Last two are quartz pebbles. First one looks like quartz attached to a basic rock like basalt.

 

[Chengjing]

Thanks any chance the last one could be amber?

 

[fuss]

Pretty sure you have quartz of some kind. Though you could test it by scratching it with a knife or pin, amber will scratch easily while quartz wont.

Thanks any chance the last one could be amber?