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Just a quick thanks to all whom helped my friend ID his rock. He has decided to cut it open and see what it contains.
Thank you.
Cornz

Further info.

It will not scratch glass, vinegar appears to be un-reactive and a sharp pointed knife will not mark it.

I've asked him to pass it over his *metal detector.

*a decent one.

Hardness is explained here

https://www.mineral-forum.com/message-board/viewtopic.php?p=19487#19487

Numerous ferrous minerals are not metallic so that is not a great help

Only passing on what ...

We need a little more information than "non magnetic" ...especially hardness...I doubt you can scratch this with a pin or tip of a knife, but that would be the first test I'd recommend

Th ...

Ok, a good friend has asked me if I know what these are. I have no idea and wondered if anyone here had any clue.

Here is a bit of background from him:

This was found in 2010 whilst I was worki ...

Hi all.
I have a lovely piece of bismuth but all its colours have disappeared.
I thought it might have oxidised so tried some polish, no different so i decided to up the ante and clean it in a mild ...

Author	Message
Topic: Help ID'ing some oddities please.
cornz Replies: 7 Views: 6843	Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Oct 27, 2022 09:22 Subject: Re: Help ID'ing some oddities please.
cornz Replies: 7 Views: 6843	Just a quick thanks to all whom helped my friend ID his rock. He has decided to cut it open and see what it contains. Thank you. Cornz
Topic: Help ID'ing some oddities please.
cornz Replies: 7 Views: 6843	Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Oct 17, 2022 13:56 Subject: Re: Help ID'ing some oddities please.
cornz Replies: 7 Views: 6843	Further info. It will not scratch glass, vinegar appears to be un-reactive and a sharp pointed knife will not mark it. I've asked him to pass it over his metal detector. a decent one.
Topic: Help ID'ing some oddities please.
cornz Replies: 7 Views: 6843	Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Oct 17, 2022 13:22 Subject: Re: Help ID'ing some oddities please.
cornz Replies: 7 Views: 6843	Hardness is explained here https://www.mineral-forum.com/message-board/viewtopic.php?p=19487#19487 Numerous ferrous minerals are not metallic so that is not a great help Only passing on what ...
Topic: Help ID'ing some oddities please.
cornz Replies: 7 Views: 6843	Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Oct 17, 2022 13:20 Subject: Re: Help ID'ing some oddities please.
cornz Replies: 7 Views: 6843	We need a little more information than "non magnetic" ...especially hardness...I doubt you can scratch this with a pin or tip of a knife, but that would be the first test I'd recommend Th ...
Topic: Help ID'ing some oddities please.
cornz Replies: 7 Views: 6843	Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Oct 17, 2022 12:34 Subject: Help ID'ing some oddities please.
cornz Replies: 7 Views: 6843	Ok, a good friend has asked me if I know what these are. I have no idea and wondered if anyone here had any clue. Here is a bit of background from him: This was found in 2010 whilst I was worki ...
Topic: Bismuth lost its colours.
cornz Replies: 4 Views: 12203	Forum: Conserving, Preparing and Cleaning Minerals Posted: Nov 05, 2018 14:27 Subject: Bismuth lost its colours.
cornz Replies: 4 Views: 12203	Hi all. I have a lovely piece of bismuth but all its colours have disappeared. I thought it might have oxidised so tried some polish, no different so i decided to up the ante and clean it in a mild ...