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6 specimens
  
  Index -> FOR BEGINNERS: What is it? Where is it from?
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Eloygonzalezjr




Joined: 28 Oct 2018
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PostPosted: Oct 29, 2018 00:05    Post subject: 6 specimens  

Picked these up from a collector who was getting rid of her collection. Collector didn’t have much info on them. Wulfenite was the only one the collector knew. I did some research and think I know one or two others but I’m not an expert and I’m looking for help.


0CB0F070-C7A4-4D0C-982E-71DFA73F07D0.jpeg
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Mineral: Unknown
Locality: Unknown
152 mm to 264mm
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Mathias




Joined: 01 Apr 2018
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PostPosted: Oct 29, 2018 00:20    Post subject: Re: 6 specimens  

Kyanite
Smithsonite
Scolecite
Vanadinite
Malachite and Azurite
Stilbite aand apophyllite

Not sure, some photos are not clear.
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Eloygonzalezjr




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PostPosted: Oct 29, 2018 00:31    Post subject: Re: 6 specimens  

Thank you!
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Tobi




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PostPosted: Oct 29, 2018 01:38    Post subject: Re: 6 specimens  

Mathias wrote:
Kyanite
Smithsonite
Scolecite
Vanadinite
Malachite and Azurite
Stilbite aand apophyllite
I agree to most of them:
Kyanite (blue), most likely from Brazil
Vanadinite (red), definitely from Morocco
Malachite/Azurite (blue/green)
and Stilbite/Apophyllite (the last specimen), definitely from India.

The green "bubbles" could also be Prehnite and the white "needles" also Mesolite.
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Eloygonzalezjr




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PostPosted: Oct 29, 2018 06:52    Post subject: Re: 6 specimens  

Thank you for the information. If I want it to store these away can I wrap them up in a cleaning towels and put them in a bin?
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Tobi




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PostPosted: Oct 29, 2018 08:00    Post subject: Re: 6 specimens  

Wrapping them up in something soft (tissues or bubble wrap) and packing them in boxes is a good way to store mineral specimens safely. I think a towel is not the best idea because the fibres of a towel could stick to a crystal and tear something off (especially fragile things like the red vanadinite crystals that can easily be torn off) when you unwrap the specimen ...

But especially the red vanadinite is very beautiful, you should consider to present it instead of just storing it ;-)

If you want further information, many mineral-related sites offer useful information how to handle mineral specimens, here's an example: http://www.mcdougallminerals.com/blog/caring-for-mineral-specimens/
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crosstimber
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PostPosted: Oct 29, 2018 08:18    Post subject: Re: 6 specimens  

Just to be clear, if you are planning on storing these, they should be wrapped in bubble wrap, or other soft material and placed in individual boxes. Wrapping them and placing them together in a bin is inviting damage especially to the scolecite and vanadinite. Bruises to the crystals or broken crystals will greatly decrease their value. Plastic dry cleaner bags make excellent wrapping material as they are soft, lint free, and do not get stuck on the specimens.
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Bob Harman




Joined: 06 Nov 2015
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PostPosted: Oct 29, 2018 08:31    Post subject: Re: 6 specimens  

I agree with the above, but would like to add that storing mineral specimens away is, for many collections, akin to forgetting about them. Only specimens to be routinely stored away are those light-sensitive and/or radioactive specimens (none of yours are).
When a collection is displayed, even partially displayed, it maintains the collector's interest and enthusiasm. If the whole collection is stored away, it often goes forgotten for many years. For some folks, this means you should consider getting rid of the collection so someone else might enjoy it.

Museums and universities have mineral specimens on display and others that are stored. The stored examples, often have not been examined for 50 years or more......... BOB
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Susan Robinson




Joined: 05 Aug 2010
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PostPosted: Oct 29, 2018 08:52    Post subject: Re: 6 specimens  

Another factor of stage is temperature. DO NOT put the minerals outdoors in the garage, shed, etc., nor in a damp basement. The severe cold of winter can crack some of the more temperature-sensitive crystals, and dampness can make a mess of any gossan that the vanadinite crystals and smithsonite are on. Keep them in a dry area that will maintain a moderate temperature year round, such as in a closet or set of drawers. As Bob said, it would be a shame not to have them on display where you can enjoy them.
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