Traceejean
Jr. Member
Iāll do that and lay you know
Got A Rock you Want Identified? Post it here! gimme a good picture or 3 or 4!
- Thread starter Dustedyou
- Start date
keywordkali
Newbie
- May 25, 2018
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Hey guys if you have any rocks you want identified,, or are having a problem with the composition, Post it with questions, and a brief summary of where you got it..I'm down to help!
And I love to play Stump the Chump!
Hello there! I'm new to mineral collecting and I have a specimen gifted to me and I have no clue what it is!
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Eu_citzen
Gold Member
- Sep 19, 2006
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Potentially a quartz or a carbonate. Will a knife scratch it?
Eu_citzen
Gold Member
- Sep 19, 2006
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Hard to say. Best way is to have it assayed.
However, it could be galena, a lead-ore. Often galena has some trace amount of silver in it.
As Galena oxidizes, it turns to a dull gray color. Galena is easily scratched with a knife.
Eu_citzen
Gold Member
- Sep 19, 2006
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Take a photo of it dry, see if a knife will scratch it.
Eu_citzen
Gold Member
- Sep 19, 2006
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Can't tell. Is it possible to chip of a piece and see a fresh surface?
bafromkc
Greenie
- Jan 17, 2005
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101_2689.jpg
bafromkc
Greenie
- Jan 17, 2005
- 18
- 0
- Detector(s) used
- Fisher 555-D, several White's models, a couple more Fisher's, and now my main detector is the GREATEST - EVER: A Minelab CTX-3030 !
- Primary Interest:
- Metal Detecting
101AZ251
bafromkc
Greenie
- Jan 17, 2005
- 18
- 0
- Detector(s) used
- Fisher 555-D, several White's models, a couple more Fisher's, and now my main detector is the GREATEST - EVER: A Minelab CTX-3030 !
- Primary Interest:
- Metal Detecting
I've got a pic, but can't copy/paste or otherwise get it up!? lol
bafromkc
Greenie
- Jan 17, 2005
- 18
- 0
- Detector(s) used
- Fisher 555-D, several White's models, a couple more Fisher's, and now my main detector is the GREATEST - EVER: A Minelab CTX-3030 !
- Primary Interest:
- Metal Detecting
from old culvert in Arizona
I've got a lot of several types of rocks / minerals. This is just one of them. All are very heavy, a lot are all gray, some like these with copper (green) Even some Heavy granite. What's your opinion of these green / gray samples? Also, do you know a cheap way of pulverizing rocks that doesn't cost $3500?
Thanks, BA
I've got a lot of several types of rocks / minerals. This is just one of them. All are very heavy, a lot are all gray, some like these with copper (green) Even some Heavy granite. What's your opinion of these green / gray samples? Also, do you know a cheap way of pulverizing rocks that doesn't cost $3500?
Thanks, BA
Eu_citzen
Gold Member
- Sep 19, 2006
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Can't see, try a better picture. Best outdoors, in daylight.
Search for rock crushers in this forum.
arizau
Silver Member
- May 2, 2014
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A capped piece of pipe that fits inside a shorter, larger diameter pipe that is welded to plate steel or just resting on it makes a good pulverizer. Just pound away with the center pipe.
bonafideslacker
Greenie
- May 20, 2018
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Hi everyone,
This is my first post outside the 'introduce yourself' thread, and I'm sure you've all seen more exotic things than I'll be posting from my new home in coastal Southern Oregon, but I'm just fascinated with the gorgeous colors I've found in every stream, river, and beach and would love to know more. Even my own property contains a steep, rocky creekbed we've not yet been able to access. I've always been looking down...watching for dropped keys, shiny things, and most especially 'pretty rocks'. Well I've hit the motherlode of pretty rocks here and cannot imagine how I'll ever stop picking them up now.
On identification: while I've done a lot of internet sleuthing, the thing that comes up most often is that - obviously - the majority of the stuff I'm finding here is chalcedony (jaspers and occasional agates and quartz I think). However there seem to exist more names for these stones than exist the stones themselves. I've read about picasso jasper and fancy jasper and brecciated jasper and agatized jasper and opalized jasper and....jeez with the different names. So here's my main query: are they all basically the same damn rock that folks name arbitrarily based on visual appeal or is there some classification of Actual Names for these different stones? If there is, can someone please direct me to it? Whew.
I'll attach a few pics of my 'chalcedony, I think' . Also found this seemingly-fossilized-bone thing on my property. Large, extremely heavy, hopefully not human.
Anyone want to try and enlighten me as to the myriad differences in chalcedony, and tell me I've not dug up part of someone's old auntie?
Thanks!
Dana
This is my first post outside the 'introduce yourself' thread, and I'm sure you've all seen more exotic things than I'll be posting from my new home in coastal Southern Oregon, but I'm just fascinated with the gorgeous colors I've found in every stream, river, and beach and would love to know more. Even my own property contains a steep, rocky creekbed we've not yet been able to access. I've always been looking down...watching for dropped keys, shiny things, and most especially 'pretty rocks'. Well I've hit the motherlode of pretty rocks here and cannot imagine how I'll ever stop picking them up now.
On identification: while I've done a lot of internet sleuthing, the thing that comes up most often is that - obviously - the majority of the stuff I'm finding here is chalcedony (jaspers and occasional agates and quartz I think). However there seem to exist more names for these stones than exist the stones themselves. I've read about picasso jasper and fancy jasper and brecciated jasper and agatized jasper and opalized jasper and....jeez with the different names. So here's my main query: are they all basically the same damn rock that folks name arbitrarily based on visual appeal or is there some classification of Actual Names for these different stones? If there is, can someone please direct me to it? Whew.
I'll attach a few pics of my 'chalcedony, I think' . Also found this seemingly-fossilized-bone thing on my property. Large, extremely heavy, hopefully not human.
Anyone want to try and enlighten me as to the myriad differences in chalcedony, and tell me I've not dug up part of someone's old auntie?
Thanks!
Dana
arizau
Silver Member
- May 2, 2014
- 2,520
- 3,950
- Detector(s) used
- Beach High Banker, Sweep Jig, Whippet Dry Washer, Lobo ST, 1/2 width 2 tray Gold Cube, numerous pans, rocker box, and home made fluid bed and stream sluices.
- Primary Interest:
- Prospecting
Mystery to me too. Are you aware there is gold to be found all up and down the Oregon beaches too? Check out this thread. http://www.treasurenet.com/forums/sluicing/454120-got-out-little-today.html
Have fun be it collecting or prospecting.
Last edited:
Eu_citzen
Gold Member
- Sep 19, 2006
- 6,484
- 2,111
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- White's V3, Minelab Explorer II & XP Deus.
- Primary Interest:
- Prospecting
Hello, Dana.
A lot of jasper "names" are simply trade names; names tradesmen use to make it sound more fancy and exotic. A marketing gag.
You'll still be accurate to just call it "jasper" or "agate", even chalcedony, since jaspers and agates belong to the chalcedony-group.
Add chert to that group and you've opened a can of worms among mineral-interested people.
Exact definitions are being debated, and precise ID is difficult without lab gear. Which is why there is so much wiggle room for a myriad of names.
Rule of thumb:
If it has concentric banding; agate
If it's opaque; Jasper
Others can be referred to as chalcedony.
If uncertain; Chalcedony is the safe choice.
In your pics I see some quartz, jasper, granitoid and a few other odds and ends.
Your "bone" might be sandstone. Hard to tell. Drip a little vinegar on it to exclude limestone.
- Jan 27, 2009
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Possibly the hollow one is a[FONT="]ichnofossil [/FONT]or a fossil of a fossil.
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