strange mineral-Scotland

[1bear]

Hello Guys
Thanks for all the help!
Would you be able to have a look at this pictures and help me to identify this strange mineral.

 

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[1bear]

 

[Eu_citzen]

Seems to be quartz or chalcedony.

 

[tatswell]

I find rocks like that all the time, almost always under my feet here in Connecticut- actually spent a good amount of my day today looking up rhodonite, quartz, and chalcedony.