Strangely shaped crystals

[karahbell]

Hello everyone
I'm new here, from California and a total newbie when it comes to identifying crystals. I'm pretty sure though that these are Quartz crystals since I found these in the dirt underneath a bed of Quartz rock. They weren't deep at all... some of them have very nice common shapes but some look totally crazy. Twisted with strange lines and almost broken looking...
I was trying to find some information online by searching strangely shaped crystals and ran across nirvana crystals... I did find these in the mountains where it snows every winter so I was thinking that maybe the ice and snow caused them to form this way.

Is my assumption correct? If so is that what they are called? Here are a few, and a few shots of the one in question.
Thank you so much in advance for your help!

 

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[Back-of-the-boat]

They look like quartz.

 

[DDancer]

They are quartz crystals. The variations in the crystal structure typically occur due to variations in the mineral solution where they formed, temperature and solution density as well as the presence of other minerals like feldspar and trace elements~ iron, manganese, lead and the like. Impaction of other crystals in the solution will also cause deformities. You have some good stuff there.

 

[karahbell]

They are quartz crystals. The variations in the crystal structure typically occur due to variations in the mineral solution where they formed, temperature and solution density as well as the presence of other minerals like feldspar and trace elements~ iron, manganese, lead and the like. Impaction of other crystals in the solution will also cause deformities. You have some good stuff there.

Thank you for your help. Do you know if these would be considered "nirvana" crystals then? Because of their form?