The bottom right stone looks like botryoidal agate.
We collect rocks where ever we travel,Southern Washington carnelian. [ATTACH] [ATTACH]
Take a look at a color chart........
[ATTACH] North Carolina rhodolite garnet can be purple.
Gold nugget purity in the USA.... https://www.treasuresauctions.com.au/learn/blog/gold-nuggets-pure-gold
If the ring was made to sell,a smart person would have put it into the scrap bin and started over.It is full of porosity which makes the structure...
Looks like air bubbles or solder balls.
All of the quartz stones will test in the quartz/citrine level on the tester. Amethyst,citrine,smoky,clear,prasiolite/green,etc. The vast majority...
Citrine is quartz.
Natural hematite is not magnetic.
Looks like a nice Pyrite crystal ring,have you tested the ring shank for gold?
It looks like slag in the photo...... https://sites.wustl.edu/meteoritesite/items/glassy-vesicular/
We found a lot of the stones in Virginia years ago, my sons gave most of them to their friends........
Most items today are laser engraved since it is fast and less expensive than hand engraving. I found one box on ebay.......
Hard to tell with the photo,take it outside with the sun overhead and see what happens.
There are many variations in styles,Hugo Kohl in Virginia has a wide number of pieces made with original antique dies.Knowing the style you are...
The stones are not tension set.
Why would there be marks? There were thousands Native American/southwest pieces made in the 60's through the 90's with no marks. Hobbyist,Dead...
In the top photo the stone appears to have inclusions,the pink stone's bezel looks like something is wrong with the bezel.
Is the culet flat or pointed?
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