rockingthenorth
fully equipped rock polisher
Member since January 2012
Posts: 1,637
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Post by rockingthenorth on Aug 13, 2012 11:55:35 GMT -5
I was rinsing my batch of tumble yesterday and found this one that has fire in it and was wondering if quarts type material can have fire the picture doesn't show near the fire I see. I have never seen it in these before. also I have this other piece that looks like it could be palm wood or maybe not.. just not sure but I like it. the one with fire the one that looks like palm wood to me thank for looking and answering
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itsandbits
freely admits to licking rocks
Member since March 2012
Posts: 825
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Post by itsandbits on Aug 13, 2012 13:30:45 GMT -5
a lot of tmes you'll get irridescing or rainbowing along fracture lines. I don't know if this is what you are getting but if it runs along them then it probably is
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Post by tandl on Aug 23, 2012 19:09:38 GMT -5
I think the first one is feldspar-sunstone , second may be too . Did you think they were quartz pebbles? i posted on this a few months ago. not all those quartz pebbles are quartz. they look very similar in the rough ,naturally tumbled .
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Minnesota Daniel
freely admits to licking rocks
A COUPLE LAKERS
Member since August 2011
Posts: 891
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Post by Minnesota Daniel on Aug 23, 2012 19:55:41 GMT -5
I have seen iron-stained quartz that looks exactly like that, and I've found a kind of highly fractured clear quartz that flashes color here and there too. That would be my guess.
I also used to have a couple pieces of fairly clear peach aventurine that had little metallic-like sparkles in them due to their feldspar content. That's actually called aventurescence. That second piece has a sort-of banded/striated, aventurine look to it.
I have a couple of small pieces of sunstone too, and they actually contain flecks of metal that makes them sparkle. The samples I have don't really exhibit fire however.
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Post by tandl on Aug 23, 2012 20:17:52 GMT -5
Ido agree with all You said , Daniel. The first example does however appear to be the "brecciated "type of plagioclase feldspar sunstone/moonstone that i refer to . The pics are a bit out of focus for me to really see just what it is though . I have some in my tumbler at this very moment, first stage. i will get pics on when i get them out .
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Minnesota Daniel
freely admits to licking rocks
A COUPLE LAKERS
Member since August 2011
Posts: 891
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Post by Minnesota Daniel on Aug 23, 2012 20:57:35 GMT -5
Ted, after a lot of staring at the pictures I'd have to concur that those may, or may not be fractures. I wouldn't be at all surprised that a brecciated feldspar might exhibit fire if it was transparent enough to see it. It would probably more unusual if it didn't show at least a little bit of it somewhere. Look forward to seeing your pics.
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Post by roy on Aug 23, 2012 22:36:19 GMT -5
looks like a nice cab to me !
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