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Mike Hillis

What Can A 3mm 10k White Gold 4 Prong Earring Stud Tell You?

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You either have the right metal detector for micro jewelry detecting or you don't. 

I hunt gold jewelry on land. It is my desired target. I focus on it to the near exclusion of all else. I hunt for hot spots and when I find them I prep them for efficient recovery of new losses. It is what I like to do. And I find pretty small jewelry. Too small to even take good pictures of with my current camera. So I thought I was doing pretty good. Maybe using the term 'Micro' was splitting hairs. 

I had asked Tom Dankowski what to use for a Micro Jewelry test piece. He replied back that a 10k White Gold 4 or 6 prong stud earring capable of holding, what? a 1/4 or 1/2 caret stone would be a recommended test object. So I went searching for something and finally obtain something at the right price off of ebay; 3mm solid 10k white gold 4 prong stud earring. Silicone backing. So its just the earring stud itself with a topaz stone in it. Pretty tiny. Smaller than I thought it would be when I ordered it. 

Ok. The Gold Bug Pro is a proven prospecting unit, and my G2+ is nothing more than a Gold Bug Pro on a different rod set up. I've seen the pictures of the small gold pickers it can find. So surely it will hit this earring no problem, Rght? 

Well, I put the 5" DD on it, and start bench testing. All metal gets a hit on it out to about 1-1/2" if the prong end of the earring is facing it. Horizontal and Vertical orientation presentations are much less. In Disc, I can get a signal about an 1" away with the prong facing the coil and the other orientations are about 1/2" with mostly non-ferrous responses. That is at maxed out sensitivity. Wow. I thought it would be better than that. 

I have a V3 with a 22kHz single frequency option with a hot gold program on it that will hit it good, too. Right? 

Well I put the 4x6 DD on the V3, load up my hot little gold program and start my test. Hey, I'm getting something, thinking positive...better depth than the gold bug, oh...wait....its picking up my hand. So I transfer the earring stud to a ruler and try again. This time no response. Or at least no usable response. Did some tweaking to the program and still no thing. Wow. Got to try some programming changes and see if I can at least equal the G2. 

Not done yet......what about the Omega 8500. No. Not a chance of every finding one these little earrings with that. Put it up. 

Still not done yet....what about the F75LTD? Lets give it a try. I put the little football concentric on it, maxed it out and frequency shifted for stability and give it a try. WOW. In both JE and Boost mode it did better than the G2. The G2 audio wasn't that strong but the F75 audio was great in all orientations. And I was getting at least an 1" in the vertical and horizontal orientations and about a 1-1/3" with the prongs facing the coil. And it was giving mostly non-ferrous TID. This reminded me again of what a top notch detector the F75 is and will always be. 

Wow. Just Wow. I ended up sitting there thinking about how much time I have wasted at some sites thinking that if 'any' gold was there I would have gotten it. I got over it a day or so later as reality set in and reminded me that hunting really small jewelry has its own little focus and that I need not worry about unless I'm specifically hunting for it. But that if I'm going to hunt for it I need to equipment myself for it. 

And that is the back story to my pre-order of the Makro Gold Kruzer. 

HH 
Mike

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Mike your settings in Test  for Spectra for  6x4 shooter?,Rx  gain, Ds  , recovery speed,and ground filter?, thanks...

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Thanks for the micro information.  I too know and understand how good the F75 really is.  I think the Gold Kruzer, coin the phrase, might just be your gold ticket.

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