Help with id, on rocks, thanks

[Crackedpeanut]

Hello!
Recently found these in the NY. Not sure if they are quartzite? Thank you for any feedback or id

 

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[Red James Cash]

Yup,you got quartz.

 

[flinthunter]

Either quartz or calcite. I think it is quartz but sometimes it is tough to tell. A quick easy test is to put a small drop of acidic liquid such as hydrochloric acid, lemon juice, or vinegar on the stone. If it fizzes or bubbles it's calcite, if not, it's quartz.