The last one is quartz.Here are a few more
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Could be quartz or apophyllite. Maybe both.
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Can't say for sure, does it get scratched with a knife? If yes, calcite.
If no I'd guess feldspar. (possibly amazonite)
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Looks like a beryl (emerald?) in matrix.
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Could be several things; smokey quartz (very dark) or garnet.
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