What kind of black rock is this?

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Shepparton
Hi Brains Trust - my son found this rock near Shepparton Vic - he wanted to know if it was anything cool so I thought I’d ask around - thank you :)
 

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Hi Brains Trust - my son found this rock near Shepparton Vic - he wanted to know if it was anything cool so I thought I’d ask around - thank you :)

Sure it's a cool rock. Anything worth taking home is a cool rock, we've got a yard full of them but I think the coin might be worth more to some people. My guess it's a piece of Magnetite that's very well water worn. Have you seen that ironstone jewellery?

On the other hand the texture looks like a blue rock we brought back from Wittenoom in WA. My mind is blank at the moment but I'll remember it soon 🙃
 
Riebeckite, also known a Crocidolite or blue asbestos however it has not developed into the fibrous for of asbestos.
 
My guess is black jasper. Again, this is a guess. Recently tumbled a piece that looks identical, it's jet black and will shine up amazingly.

Moneybox, why would you feel the need to make the comment that some people might find the 50 cents more valuable? The bloke is simply after a simple rock identification he doesn't think it's a piece of gold 😂

Mackka, Leverite? Do you mean 'Leaverite?' as in the geologists 'joke'?...

Moneybox, this looks nothing like Riebekerite. How do u possibly came to that conclusion is baffling. It's also not magnetite and looks nothing like it.

Cackyz, my suggestion if you want serious answers, from real rockhounds, a rock identification page on reddit or Aussie lapidary forum will be more helpful than here.
 
Great to know we have a new expert on board girlandherwhitewolf 🥸

Magnetite.jpg

Magnetite


I do get my magnetite and hematite mixed up.


Hemitite.jpg

Hematite

Both are iron ore, can be polished and can look quite spectacular.

IMG_8001.jpg

Riebekerite

When I mentioned Riebekerite I was talking of its texture however we're only looking at a photo and I'm no expert 😅
 
Great to know we have a new expert on board girlandherwhitewolf 🥸
I don't think sarcasm suits you, Phil and I hope that @girlandherwhitewolf isn't put off by it.

Fact is, PA is lacking in members with rock ID skills since goldierocks departed - we do our best, but there seems to be a fair bit of guesswork involved (especially when I offer an opinion), rather than actual know-how, which is unfortunate.
 

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