Can you tell me what this is?

  • 2 Replies
  • 1606 Views

0 Members and 1 Guest are viewing this topic.

*

Offline keekthesneek

  • First timers
  • *
  • 1
    • View Profile
Can you tell me what this is?
« on: 14/04/2014 15:24:20 »
I found this in  northern California when i was 7 and have had it for years now and always wondered what it was exactly please help.
« Last Edit: 04/06/2014 11:05:10 by Georgia »

*

Offline OokieWonderslug

  • Full Member
  • ***
  • 93
    • View Profile
Re: Pleas tell me what this is.
« Reply #1 on: 14/04/2014 22:20:38 »
Have you done a hardness test? An acid test? It is hard to tell from just a picture. Looks like quartz or calcite, but with just a picture it is hard to tell.

*

Offline Bass

  • Neilep Level Member
  • ******
  • 1340
    • View Profile
Re: Pleas tell me what this is.
« Reply #2 on: 16/04/2014 04:15:31 »
Obviously a breccia- likely from a fault zone.  Likely that the white veins are quartz, but as OW said, they could be calcite. Not sure what the host rock is- the purple color could either be quartzite or altered rock.
Old enough to have a grandson
Slow enough to study rocks
Thirsty enough to find a pub