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17 Nov-14:09:53 Re: quartz collecting outings in south africa (Pierre Joubert)
17 Nov-13:33:59 Assistance in getting locality info for this mexican? orthoclase & amphibole specimen (Waltlombardo)
17 Nov-13:33:10 Re: favourite fluorites? (Jesse Fisher)
17 Nov-13:21:15 Re: a mineralogical trip through the states of usa - arizona (Rweaver)
17 Nov-12:53:05 Re: quartz collecting outings in south africa (Philippe Durand)
17 Nov-10:56:17 Re: micro photos of inclusions in quartz (Zbhjzm)
17 Nov-10:44:07 Re: micro photos of inclusions in quartz (Zbhjzm)
17 Nov-10:04:13 Re: collection of michael shaw (Crosstimber)
17 Nov-09:12:44 Re: quartz collecting outings in south africa (Pierre Joubert)
17 Nov-08:59:43 Re: quartz collecting outings in south africa (Pierre Joubert)
17 Nov-08:50:31 Re: quartz collecting outings in south africa (Pierre Joubert)
17 Nov-06:02:43 Re: franjungle collection (Fiebre Verde)
17 Nov-05:46:52 Re: collection of fiebre verde (Fiebre Verde)
17 Nov-04:40:37 Re: micro photos of inclusions in quartz (Zbhjzm)
17 Nov-03:45:41 Re: micro photos of inclusions in quartz (Zbhjzm)
16 Nov-23:19:17 Re: micro photos of inclusions in quartz (Zbhjzm)
16 Nov-15:23:09 Re: a mineralogical trip through the regions of the uk - england / county durham (Jesse Fisher)
16 Nov-11:30:39 Re: collection of fiebre verde (Franjungle)
16 Nov-11:11:08 Re: franjungle collection (Franjungle)
16 Nov-03:01:03 Re: micro photos of inclusions in quartz (Zbhjzm)
16 Nov-02:53:08 Re: collection of benjamin carballo (Jordi Fabre)
16 Nov-02:51:10 Re: micro photos of inclusions in quartz (Zbhjzm)
15 Nov-23:03:31 Re: munich show (mineralientage) 2017 (Ploum)
15 Nov-16:31:33 Re: collection of fiebre verde - cunas (#672) (Fiebre Verde)
15 Nov-16:06:00 Re: new generation for picture - ploum (Ploum)

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Help me identify these rocks/minerals
  
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borg_jos




Joined: 23 Sep 2017
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PostPosted: Sep 23, 2017 10:14    Post subject: Help me identify these rocks/minerals  

Can someone help me understand what are these minerals and if they are dangerous?


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Bob Harman




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PostPosted: Sep 23, 2017 10:22    Post subject: Re: Help me identify these rocks/minerals  

The red one and blue one are man created and probably not natural although the blue one might be a post mining color enhanced chalcanthite. The purple one in the middle is a small piece of amethyst variety of quartz. As there are so many localities for amethyst, no specific locality can be given for a small generic piece.

None of the minerals are dangerous unless thrown at someone else's head or eaten for a snack. BOB
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Mike Chontofalsky




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PostPosted: Sep 23, 2017 10:52    Post subject: Re: Help me identify these rocks/minerals  

I would add that the one on the right appears to be lab/ home grown copper sulfate and is toxic. I had my chemistry students grow these and more.
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borg_jos




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PostPosted: Sep 23, 2017 11:03    Post subject: Re: Help me identify these rocks/minerals  

Attaching more pics


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alfredo
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PostPosted: Sep 23, 2017 11:19    Post subject: Re: Help me identify these rocks/minerals  

The blue one is, as others have stated, lab-grown copper sulphate crystals, and only harmful if you eat it. But it tastes sooooooooo bad, that no one will eat it. If some child puts even a tiny grain of it in their mouth, they would be immediately furiously spitting it out, with no further harm. But keep it away from toddlers anyway.
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