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Post by washingtonrocks on Feb 8, 2015 20:41:49 GMT -5
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Post by drocknut on Feb 8, 2015 20:53:07 GMT -5
Very cool and great that you found out what it is.
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quartz
Cave Dweller
breakin' rocks in the hot sun
Member since February 2010
Posts: 3,352
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Post by quartz on Feb 8, 2015 23:22:22 GMT -5
Nice looking piece, show us a cab to see when you make one. The way you described the culvert, sounds like you equate rocking there to dumpster diving.
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jamesp
Cave Dweller
Member since October 2012
Posts: 36,561
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Post by jamesp on Feb 9, 2015 0:44:05 GMT -5
Never knew nickel could cause a green color. Looked as if other nickel ores were green on google. snowmom finds lots of green, particularly green impactite from glacial movement from the richest nickel source in the world(80% of the world's nickel mined at Onaping). Handsome material
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Fossilman
Cave Dweller
Member since January 2009
Posts: 20,709
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Post by Fossilman on Feb 9, 2015 1:22:49 GMT -5
Great colors!
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Post by snowmom on Feb 9, 2015 4:54:38 GMT -5
Chris, washingtonrocks ,thanks so much for posting this! Its beautiful! Many of the green rocks I find seem to have color and pattern similar to this, in dark green to black, as well as being super dense! could never find anything that explained it. Once again you seem hit the nail on the head in some of the mysteries I find here. you have shown us some of the great things you find in that culvert area in several other posts. Talk about earth treasures, what a wonderful thing to have a personal honey-hole so close to you. I hope if other forum members have nickel ore or other nickel related rocks they will post to this thread too. So much to learn! Chris, if you have other rocks of this type I'd sure like to see them! thanks!
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rockroller
spending too much on rocks
Be excellent to each other.
Member since October 2013
Posts: 359
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Post by rockroller on Feb 9, 2015 15:02:25 GMT -5
Nice! Any clues on the source of that beauty?
~Roland
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Post by washingtonrocks on Feb 9, 2015 21:35:43 GMT -5
quartz lol, rock dumpster diving. I guess I look for rocks in places most people wouldn't think to look. I jog every morning and usually come back 10-15 pounds heavier after filling my backpack full of roadside treasures...Just so happens I go by a magical culvert on my run that blesses me with treasure! I know it sounds a bit odd, but some of my nicest rocks have come from that same spot. I find something new and interesting every time! jamesp, Interesting! I didn't know that about her area. She does come up with some really interesting finds. snowmom, Thanks! Yep, it's the culvert that keeps on giving. Deb, you've come up with some Exceptional finds. Things I've never seen before. It's safe to say I've learned a lot from your posts. Please post anything here that you're thinking might be nickel based. I'm anxious to see any similarities/differences that our respective areas can produce! rockroller, you know, I'm not sure. Might have come in on the glacier express...There are Nickel producing areas and mines north of me so maybe that is where it originates. There's a Nickel Laterite found here known as Garnierite that I'll run into sometimes, but this looks quite a bit different to those specimens I've found.
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Post by gingerkid on Feb 9, 2015 21:45:58 GMT -5
Nice find, washingtonrocks!! Couldn't help but chuckle after reading that you jog out with your backpack, fillerup with 15+ pounds of pretty rocks, and head back home. I really like how the dark green outlines the lighter green in the first piece you posted. Are you planning on cabbing the nickeline, and if you do cab it, what precautions (if any) will you take while working it?
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Post by washingtonrocks on Feb 9, 2015 21:59:44 GMT -5
gingerkid, thanks for bringing that up! I forgot to mention this stuff contains arsenic. Yeah. Needless to say I'll be wearing a respirator when I go to cutting/cabbing this stuff!
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Deleted
Deleted Member
Member since January 1970
Posts: 0
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Post by Deleted on Feb 9, 2015 22:09:46 GMT -5
gingerkid, thanks for bringing that up! I forgot to mention this stuff contains arsenic. Yeah. Needless to say I'll be wearing a respirator when I go to cutting/cabbing this stuff! Would you share the name of your iD guy again? Love that nickel rock. Maybe change your water bucket out after cutting it.
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Post by washingtonrocks on Feb 9, 2015 22:22:52 GMT -5
Scott, his name is Bart Cannon. He's affiliated with the rruff.info site if you're familiar. I haven't been able to get a hold of him for a while now. Not sure if his business in Seattle is even still active anymore. Maybe if you go to the rruff site they can get you in touch with him? He used to be very reasonable with his rates. and Very knowledgeable! I might have another option for you if that doesn't work out.
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quartz
Cave Dweller
breakin' rocks in the hot sun
Member since February 2010
Posts: 3,352
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Post by quartz on Feb 9, 2015 23:12:01 GMT -5
I think that culvert might be better termed the horn of plenty. Must be a lot of water moving rock through it. Most have to travel to find good stuff, you take a walk to the delivery site, whatta deal. Lucky you.
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Post by snowmom on Feb 10, 2015 14:17:05 GMT -5
here is a pic showing some of the rocks from Lake Huron that are a bit similar to yours, at least one of these has tiny flecks of metal visible in the veining. Thanks for the post Chris ( washingtonrocks ). looking forward to seeing more from the magic culvert!
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Post by snowmom on Feb 10, 2015 14:18:37 GMT -5
Does it attract a magnet? Most of these do!
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quartz
Cave Dweller
breakin' rocks in the hot sun
Member since February 2010
Posts: 3,352
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Post by quartz on Feb 10, 2015 23:45:38 GMT -5
"The Magic Culvert", I like that.
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Post by snowmom on Feb 11, 2015 8:41:18 GMT -5
title for a kids book ?
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Post by 150FromFundy on Feb 12, 2015 17:01:06 GMT -5
Beautiful and deadly. Nickel and lead are both two heavy metals that you don't want to breathe or absorb through your skin. Nickel is almost always associated with Cobalt, which is also better outside the body than in it. Use a little extra care when working with this and consider nitrile gloves if your hands are in the spray.
The green may be Annabergite which is a nickel/cobalt arsenate. It is a secondary (weathered) mineral that is an indicator of nickel ore in the eyes of a prospector.
Darryl.
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Post by washingtonrocks on Feb 13, 2015 10:24:03 GMT -5
snowmom, those rocks look familiar! I'd be curious to know what the metal component might be. Sounds like Nickel is a very good possibility. 150FromFundy, thanks for the advice! I only had this tested for its heavy metal composition, but annabergite sounds like a good assumption for the green material. I will most definitely heed your caution when working this stuff. Copper material makes my skin rash, so I would imagine this stuff might affect me similarly. Respirator and appropriate gloves will be worn.
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jamesp
Cave Dweller
Member since October 2012
Posts: 36,561
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Post by jamesp on Feb 13, 2015 15:34:15 GMT -5
Beautiful and deadly. Nickel and lead are both two heavy metals that you don't want to breathe or absorb through your skin. Nickel is almost always associated with Cobalt, which is also better outside the body than in it. Use a little extra care when working with this and consider nitrile gloves if your hands are in the spray. The green may be Annabergite which is a nickel/cobalt arsenate. It is a secondary (weathered) mineral that is an indicator of nickel ore in the eyes of a prospector. Darryl. cobalt arsenate just does not sound appetizing.
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