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What mineral is this?
  
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anthony_miguel




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PostPosted: Mar 18, 2019 03:10    Post subject: What mineral is this?  

Hi
We've had this mineral in our family for over thirty years and no one has ever sought to find out what it is exactly. From what I've seen on some internet sites, I think it might be Antimony. Can some help it out? The mineral is about 15cm in height.



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Tobi




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PostPosted: Mar 18, 2019 04:26    Post subject: Re: What mineral is this?  

anthony_miguel wrote:
From what I've seen on some internet sites, I think it might be Antimony.
I think it's hard to tell just by some photos what exactly this is, but you are right: It looks like native antimony ...
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John S. White
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PostPosted: Mar 18, 2019 05:21    Post subject: Re: What mineral is this?  

Sorry to send you negative news but I am quite confidant that your "mineral" is instead a manmade furnace product. Just what it is I cannot say but I have seen very similar material many times in the past and it does not appear natural. I am sure that another of the Forum folks will be able to offer up a better identification.
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Roger Warin




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PostPosted: Mar 18, 2019 05:24    Post subject: Re: What mineral is this?  

Industrial product ?
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Peter Lemkin




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PostPosted: Mar 18, 2019 05:45    Post subject: Re: What mineral is this?  

You say 'mineral' [singular], but show at least 2 and possibly three different pieces. I too think this is likely a man-made substance. However, photos are never enough and if you want to know what it likely is, you must follow the instructions on the posting page and tell us size, specific gravity [it tells how], hardness [it tells how], and other possible features/properties [magnetism, et al.]. Also, one piece or each piece photographed from all sides especially the bottom which seems suspiciously level would be helpful. Sorry to inform you, I'm doubtful it is natural, but it could be [<5% chance in my opinion].
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anthony_miguel




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PostPosted: Mar 18, 2019 06:00    Post subject: Re: What mineral is this?  

Now that you mention it, my dad used to work in a factory in Canada that manufactured steel, stainless and aluminum bronze castings...
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anthony_miguel




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PostPosted: Mar 18, 2019 06:02    Post subject: Re: What mineral is this?  

There is only one piece seen from different views: except the bottom which is completely flat
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James Catmur
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PostPosted: Mar 18, 2019 08:25    Post subject: Re: What mineral is this?  

Please do some of these tests

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

James
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