The Naked Scientists

The Naked Scientists Forum

Author Topic: Found a rock on my property in Colorado, can someone help ID it?  (Read 230 times)

Offline James Harville

  • First timers
  • *
  • Posts: 1
    • View Profile
I have attached two pictures.  I am thinking somewhere between quartz, plagioclase, maybe a feldspar? 

It absolutely scratches glass.  I was as high up as 6000 feet on my property in Colorado.  It has a dark/blue purple hue to it in some places.

Thank you!


The Naked Scientists Forum


SMF 2.0.10 | SMF © 2015, Simple Machines
SMFAds for Free Forums