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30 Apr-20:35:36 Re: palmarejo chihuahua: white material on calcite (Joseph D'oliveira)
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30 Apr-16:02:59 The mizunaka collection - epidote (Am Mizunaka)
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30 Apr-14:27:09 Re: palmarejo chihuahua: white material on calcite (Lluis)
30 Apr-14:04:27 Palmarejo chihuahua: white material on calcite (Jean Sendero)
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30 Apr-05:21:36 Re: favourite smithsonites? (Heimo Hellwig)
29 Apr-16:48:17 The mizunaka collection - pyromorphite (Am Mizunaka)
29 Apr-16:29:46 Re: the mizunaka collection (Am Mizunaka)
29 Apr-15:49:13 Re: the mizunaka collection (James)
29 Apr-15:46:13 Re: collection of fiebre verde (Fiebre Verde)
29 Apr-15:35:49 Re: collection of fiebre verde (Franjungle)
29 Apr-14:57:58 Re: the mizunaka collection (Am Mizunaka)
29 Apr-13:12:37 Re: collection of fiebre verde (Fiebre Verde)
29 Apr-12:53:32 Re: collection of fiebre verde (Fiebre Verde)
29 Apr-12:50:03 Re: don lum collection (Don Lum)
29 Apr-12:43:31 Re: collection of fiebre verde (Philippe Durand)
29 Apr-12:18:14 Re: help with this new one (Volkmar Stingl)
29 Apr-11:47:36 Re: collection of fiebre verde (Don Lum)
29 Apr-10:08:35 Re: help with this new one (Tobi)
29 Apr-08:28:08 Re: help with this new one (Marouenca)
29 Apr-08:21:27 Re: collection of fiebre verde (Fiebre Verde)

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Green rock Id help
  
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ilzho




Joined: 31 Jul 2011
Posts: 13
Location: Dallas

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PostPosted: Feb 14, 2017 18:04    Post subject: Green rock Id help  

Hello:

I do not know where this came from (other than my mother gave it to me, she was a science teacher), but I am trying to identify a number of minerals and rocks that I have.
Any information is greatly appreciated.
Thank you,
David



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CranCowan




Joined: 28 Sep 2016
Posts: 18
Location: Hines


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PostPosted: Feb 14, 2017 18:13    Post subject: Re: Green rock Id help  

Looks like malachite. A drop of muriatic acid would dissolve it while making bubbles.
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