Hmm ok. Since I have been handling my rock a lot more recently It certainly does seem to have formed more obvious needle like crystals on the exterior.
It is a mystery to me and amongst the many people I have physically shown it remains a mystery to them also.
I Thanku all for ur advice but am...
The rock is very hard. I tried to grind into the cnr of the rock and I snapped the disc.
I tried to grind a cnr off, to show u in a few more pics attached only I snapped the blade off the grinder. I assume the rock is very hard.
It has been tested for different carats of gold only the rock...
That’s ok. I have a few different rocks.
Mod edit:
Moved the post re: tumbler for boulder opal to it's own seperate thread.
https://www.prospectingaustralia.com/threads/tumbler-for-boulder-opal.40059/
Hi. This rock was given to me many years ago when I was a little girl by my grandfather. He told me to look after it and said it was a museum piece. Unfortunately he has passed now.
Hi, I have a very interesting rock specimen that I need some help identifying.
I think it could be a type of mineral, maybe from space. It has been magnified and is full of needle like formations. It’s heavy for its size weighing 825 grams but fits into the palm of ur hand. Has been tested for...