Amateur rock hound needs ID help (diamonds?)

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rockfairy

rockfairy

Joined
Jul 9, 2024
Messages
3
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Location
Gold Coast, Qld
Hi everyone

I just happily stumbled upon this website while looking for some info about rough diamonds.

I have found a bunch of what I suspect are rough diamonds of various sizes and colours. I suspect I have found alluvial, red and black diamonds while fossicking around Stannifer/tingha/Inverell areas earlier in the year.

I'm looking for some advice on correctly identifying my little treasures. So far I've attempted the at home methods of testing and also bought a diamond tester ( although I think I may need to invest in a better quality one)

I welcome any advice or tips as I just want to learn more.

If confirmed diamonds I would also like to sell some after potentially having them cut.

Cheers
Em the rock fairy
 
rockfairy said:
Hi Geoff, thanks for that, I'll take some tonight or tomorrow and post them
Click to expand...
Please try and take pics using backlighting, so that colour and transparency can be seen. On top of a torch can work well (with a sheet of white paper between the stones and the torch if necessary to reduce glare).
 
I think you might be restricted on what you can post before you have 10 posts. You might not be able to post photos at this point?
 
Some diamonds will also glow blue under UV light even though all may look the similar to the naked eye. It is highly unpredictable and from appearance one cannot tell which diamonds will fluoresce and which not. On average about a quarter (25%) of diamonds will show some degree of fluorescence from weak to strong.
So how can this possibly help?
Most other fluorescing gems or minerals will consistently fluoresce ie a panful of stones would all fluoresce together or at least a much higher percentage.
So what would be expected if a UV light was shone over the pan of diamonds that looked visually similar.
Really a mixture of some that fluoresced (about 25%) and the rest that didn’t.
A result like that would certainly suggest you take them for more expert physical evaluation.
 

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