Please help me identify these rocks I

[Bre]

Each picture is of a different Rock specimen I found in my backyard in an ancient Creek bed.

 

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[DDancer]

The first picture appears to be a nice translucent bit of chalcedony, picture 2 looks like a cross between sugar quartz and chalcedony and the last two pictures I cant say what they maybe however picture 4 is not a meteorite. Streak tests of the last two may help. Better close up pictures under natural light can help as well.