Hi All, As most know I don't like to advertise at the main forums so I have added this forum where you can see updates, sales, specials, etc that are available at my store. So do not enter this forum if ads offend ya...
This section is a little different and the place to post prospecting questions, birthdays, and talk not directly related to other sections of the forum, but still related to gold prospecting. No Political or religious posts will be allowed please and will be deleted by staff
Welcome to Nuggetshooter!
There are many knowledgeable members on this forum, but don't let Hoser John fool you he has more gold mining knowledge in his pinky finger than many others have in their head, BUT he is older than dirt so he may have forgotten some of it !!
Amethyst specimen piece keep as it is, no apparent gold seen by me, quartz/pyrite specimen, I don't think it has any gold but pyrite does sometimes have gold within it, some tests you can do, look at the specimen in bright sunlight, it will "shine" as gold appears to do, now take your other hand and use it to shade the specimen from the sunlight, if the the material stop shining and appears more graying than golden it's almost surely pyrite, if on the other hand the material maintains the golden shine like gold, it could very well be gold, gold has a glow of it's own, it doesn't need the sun to make it have a golden glow.
Second test for the pyrite piece, as Weaver Hillbille mentioned is to poke and or try to scratch it, I recommend a sharp knife point, if the material isn't affected at all or chips or crumbles it most surely a type of pyrite, pyrite is harder than steel (with the exception of high quality harden steel, which is about the same hardness as pyrite) so you shouldn't be able to scratch it with a knife, it is on the other hand very brittle so it is possible for it to chip/crumble when attacked with the knife, be careful not to slip and cut yourself when doing this test, now if the knife does scratch/indents the material without any chipping or shattering, it could possibly be gold, if this is the case it needs to be tested with acid and or a spectrometer, i.e. take it to a reputable jeweler and they should be able to confirm if it's gold or not.
Your best bet on a acid test kit is to buy online, you should find many results/vendors by doing a google search, I would recommend buying from a Jeweler supplies web site rather than a prospecting supply site, the acids do have a shelf life and you will have a better chance of getting a fresh kit.
If you do determine it's most likely pyrite and as I mentioned pyrite does sometimes contain gold, the process to free any possible gold from pyrite is not all that simple, pyrite is a sulfide material and when gold bearing sulfide material is processed it usually is crushed and then roasted/heated to a precise temperature, too hot and the gold vaporizes, not hot enough and the gold stays trapped in the sulfide material, and that's just the start of the process, so it's not economically feasible unless you have tons and tons of good gold bearing ore that has been confirm by assay to start with and the means/equipment to do the job correctly, so basically it's not worth messing with on such a small piece of pyrite, now it is possible that there maybe some free gold that is not locked up within the pyrite that you could possibly recover by just crushing and panning the pyrite/quartz material, but it would only be an experiment at best with such a small piece of pyrite with not much gold being found in the process.
Homefire, no rock cops around, didn't think they would miss it but I've already heard the "can you imagine if EVERYONE took a rock, the whole mountain wouldn't be here".
Didn't find any clear pieces at the dome but pulled over for lunch over on Masonic Rd and found an area with some smokey obsidian. Will be going back for more of that.