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j!

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j! last won the day on December 18 2013

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About j!

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  1. Well, you're talk'n to a guy that grew up seven miles out of a town of 400 folks in the high cascades of oregon where I used to get HS PE credit for riding pro-rodeo, so I know what it's like! Am now a long haired californicator living in berkeley and working with at-risk and in-risk youth in an economically challenged community a little north of where I live.... and run away like my hair is on fire for mountains/deserts/rocks every chance I get. I've spent more than a little time in your neck of the woods over the years - the first visit was in 1980 after fishing in SE Alaska for four months
  2. You up near the Geronimo trail? If you're near Bisbee, there is a fella that posts on the MCRocks forum named Dave Owen that has a jewelry store in town -- and he's an avid rock hunter all over southern arizona. He would no a lot more about the local market than I do!
  3. Look like weathered geodes to me. I actually have a few I picked up between Duncan and Bisbee more than a few years ago! You could probably get a few bucks at a flea market or farmers market. Small crystals, clear white, sugar or druzy tend to be a spur of the moment purchase after the person has handled it a bit. You might get a quarter to a third inline of what you can get in person. Say $5-10 in person and $1-3 online. That being said, you could probably make more money charging people to collect on your property!
  4. Look for a local rock hounding group. They're the most likely to have someone that can give you a hands on identification. Maine is a good place for gemstone hunting. Besides being an apparently good source for finding out of place petrified wood, you have a lot of pegmatite formations throughout the state - which is where you can find tourmaline, beryls and other gemstones! Google is your friend!
  5. LOL -- I had to run out halfway through writing that this morning and left it open on the PC. Just got back, finished it and posted it and I see AU Seeker has given a more complete answer!
  6. Buzzy, two of the most common ways to get a good idea of what you've dug up are hardness and streaking. The hardness is the mohs scale -- and chalcedony is harder than opal. This is generally called a 'scratch test'. Now, when I was a rock pup we were always told to use a slate tile, but in looking up streak testing online it appears you're supposed to use an un-glazed porcelain tile. Drag the rock across and the color of the streak will indicate the type of mineral. You can find color tables for a streak test online or any reputable reference book on minerals!
  7. Created an account just to respond to this post! If it *is* petrified wood, with that much color, it's either opal or agate. Opal will be lighter than agate, and given that you're surprised at the weight, it is almost assuredly agate IF it's pet wood. Agate is a form of chalcedony, so it isn't incorrect to identify it as such, though its a bit like naming the genus without naming the species. If you chip at it, and it looks wet, it's probably opal. Also, if it isn't too dried out, and you sprinkle water on it, it will bead up on opal and moisten as usual if it is agate. I don't do much in
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