Never tried CLR on crystals, but oxalic acid is works very well. Most hardware stores have it. Even though it's a mild acid, use rubber gloves & not inside ;)
If I get a signal from a rock that shows quartz, ironstone or conglomerate, I will break it open if I cant see any colour showing. If it's a hot rock all the pieces will give some sort of response. If there is gold present it will usually end up in just 1 or maybe 2(if you totaled the rock)of...
This is a piece of quartz and ironstone that had a couple of grams of gold totally hidden inside. I broke it in half to reveal what was giving the signal. Hopefully you can see the gold in the circled areas. It was found with a minelab 4500 with a 16" NF mono coil at about 6" deep.
I'll have to do my favourite.
1:- hints of chocolate & a rich creamy head
2:- With part of the name means: (in the Middle Ages) a young man of noble birth who as an aspirant to knighthood served a knight.
The turquoise colour stone would be chrysocolla, coming from near a copper mine. The red stone would be some sort of agatized material at a guess and a small cluster of quartz crystals in the second last picture.
I took a tumble(5m drop) years ago with my GP Extreme. It still worked fine at the time but it soon developed a rattle and was noisy from the cable connection being a bit loose. I gave minelab a ring and had a chat to them about the problems. They said send it to them and they'd take a look. A...
I have found some nice blue Turquoise here in Vic. Good colour and quality but most of it is to thin to work.
Green Turquoise? The only natural green material is very expensive and more a greenish blue then true green. I'm thinking you might be referring to Mojave (Mohave) Turquoise? This is a...