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Collection of Nurbo
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nurbo




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PostPosted: Dec 15, 2008 04:59    Post subject: Collection of Nurbo  

I'll start this off with a fine example of Halotrichite From The Golden Queen Mine in Mojave California. Its about 50mm tall.


halotrichite.JPG
 Description:
 Viewed:  52076 Time(s)

halotrichite.JPG


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nurbo




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PostPosted: Dec 26, 2008 10:21    Post subject: Re: Collection of Nurbo  

Some more,



my collection is somewhat humble compared to some posted here but I thought I'd post a few anyway. I wonder if any other forum users have felt daunted by the superb quality of postings on the "Collections" Forum, some of the things on here have really taken my breath away.



fishtail azurite.JPG
 Description:
Azurite from Toussit, 25mm long
 Viewed:  51934 Time(s)

fishtail azurite.JPG



phenakite favourite.JPG
 Description:
My Favourite crystal a Petalite (not phenakite) from Mogok, measures 20 x 4mm
 Viewed:  52015 Time(s)

phenakite favourite.JPG



phenakite on pyrite.JPG
 Description:
Phenakite on Pyrite, Mt Antero Colorado, 11 x 5mm
 Viewed:  51964 Time(s)

phenakite on pyrite.JPG



schorl on aquamarine.JPG
 Description:
Schorl on Aquamarine Erongo, Aquamarine
12 x 10 x 5mm Schorl 3 x 2mm
 Viewed:  51960 Time(s)

schorl on aquamarine.JPG



emerals in matrix.JPG
 Description:
Emeralds in matrix, emeralds measure about 10cm from "China"
 Viewed:  51969 Time(s)

emerals in matrix.JPG



limonite pseud after pyrite.JPG
 Description:
Limonite pseudomorph after Pyrite, Carratraca, Málaga, Spain, 35 x 35 x 15mm
 Viewed:  52010 Time(s)

limonite pseud after pyrite.JPG



Aquamarine Erongo Mountains.JPG
 Description:
Aquamarine from Erongo 19mm
 Viewed:  52007 Time(s)

Aquamarine Erongo Mountains.JPG


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Carles Millan
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PostPosted: Dec 26, 2008 10:58    Post subject: Collection of Nurbo  

Hi nurbo!

>my collection is somewhat humble compared to some posted here but I thought I'd post a few anyway.

Your photos are welcome. Unfortunately we all can't compare our specimens with the ones from the Folch collection published here as well. Many thanks for posting yours. I encourage you to keep publishing at this forum section.

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Tracy




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PostPosted: Dec 26, 2008 11:13    Post subject: Re: Collection of Nurbo  

Hi nurbo -

The purpose of sharing photos on FMF is not for "competition" but rather to show people what we, as collector, enjoy. And why. There are beautiful specimens among all of our collections . Echoing Carles' sentiments, I encourage you to keep on sharing photos with us, it is most appreciated and we enjoy having the chance to see them.

- Tracy

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Jordi Fabre
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PostPosted: Dec 26, 2008 11:18    Post subject: Re: Collection of Nurbo  

Great Phenakite Nurbo, a lovely specimen!. BTW the Limonite pseudomorph after Pyrite is not from Navajún but from Carratraca, Málaga.

Thanks to share your specimens with us.

Jordi
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parfaitelumiere




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PostPosted: Dec 26, 2008 15:56    Post subject: Re: Collection of Nurbo  

hello Nurbo,the azurite seems to be a twin?!
Do you have other photos?
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Gail




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PostPosted: Dec 26, 2008 17:38    Post subject: Re: Collection of Nurbo  

Nurbo, I concur with the others, this is about showing your collection...there is no competition here. We all have different tastes and that's what makes this so enjoyable.
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nurbo




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PostPosted: Dec 27, 2008 17:41    Post subject: Re: Collection of Nurbo  

Hello,
Its good to know that everyone is glad to see some of my specimens, here are some more.
parfaitelumiere I will get some more photo's of the strange azurite and post them in the next couple of days.
Thanks for the locality information on the Limonite Jordi, one of the things I love about this forum is that you can get superb information on localities.



azurite berry matrix.JPG
 Description:
Azurite on matrix from Morenci mine Arizona, specimen 38 mm long, Azurite 5mm
 Viewed:  51920 Time(s)

azurite berry matrix.JPG



phenakite cluster.JPG
 Description:
A Phenakite cluster from Mogok 20 x 15 x 15 mm
 Viewed:  51881 Time(s)

phenakite cluster.JPG



fluorite slab.JPG
 Description:
From Spania Dolina 100 x 100mm.
 Viewed:  51872 Time(s)

fluorite slab.JPG



septarian.JPG
 Description:
This appeared inside a piece of septarian mudstone I chopped up, I have absolutely no idea what it is/was, the stone is from Carboniferous strata, an area called "The Caton Shales" in the north west of England,near my home. Ive recovered maybe 200 or so specimens from this area but this is unlike any of the others. Im tempted to cut it lengthways so as to see another view which may yield further clues. size 135 x 40 mm
 Viewed:  51856 Time(s)

septarian.JPG


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nurbo




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PostPosted: Dec 31, 2008 14:42    Post subject: Re: Collection of Nurbo  

Heres the fishtail Azurite and a couple of others


azurite 1.JPG
 Description:
Morenci Azurite, 25 x 15 mm
 Viewed:  51781 Time(s)

azurite 1.JPG



azurite 2.JPG
 Description:
Tsumeb Azurite, 25 x 9 mm
 Viewed:  51794 Time(s)

azurite 2.JPG



azurite hubei.JPG
 Description:
Hubei Azurite, 90 x 50 x 50 mm
 Viewed:  51775 Time(s)

azurite hubei.JPG



azurite 3.JPG
 Description:
Toussit Azurite 15 x 10 mm
 Viewed:  51792 Time(s)

azurite 3.JPG



azurite bowland.JPG
 Description:
Azurite from Bowland Forest near my house 20 x 20 mm
 Viewed:  51790 Time(s)

azurite bowland.JPG



fish 1.JPG
 Description:
the fishtailed ones other side
 Viewed:  51800 Time(s)

fish 1.JPG



fish 2.JPG
 Description:
The fishtailed one
 Viewed:  51767 Time(s)

fish 2.JPG


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parfaitelumiere




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PostPosted: Jan 01, 2009 11:32    Post subject: Re: Collection of Nurbo  

I would be really interstedbythe fishtail azurite!
I try to collect twins...
If you want to trade it,please tell it to me!
I don't know if it's possible to send private message on the forum?!
I have other azurite crystals,and twinned ones if you want!
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nurbo




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PostPosted: Jan 01, 2009 16:21    Post subject: Re: Collection of Nurbo  

That sounds interesting, if you want to email me at davidbruno(dot)uk(at)gmail(dot)com Im sure we can work something out.
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John S. White
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PostPosted: Jan 02, 2009 14:35    Post subject: Re: Collection of Nurbo  

The "phenakite" cluster from Mogok sure looks like topaz to me.
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nurbo




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PostPosted: Jan 02, 2009 18:49    Post subject: Re: Collection of Nurbo  

Hello John,
I have had my suspicions about that, Ive had this for about 3 years, I cant find any growth marks on it anywhere, which is my usual means of identifying Phenakites, it wasnt as expensive as i would have expected it to be either, but, the place I got it in Thailand did have a lot of Phenakite in stock, maybe I'll try the scratch test on this one. Its funny, now you suggest Topaz when I look at it I think your right. Good call, I love this forum :-)
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vic rzonca




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PostPosted: Jan 02, 2009 19:43    Post subject: Re: Collection of Nurbo  

The master at work
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PostPosted: Jan 03, 2009 05:23    Post subject: Re: Collection of Nurbo  

Just bear in mind that the scratch test is not easy to apply, is not very quantitative, and that many minerals have different hardnesses depending upon the direction in which they are scratched. It is very good for telling talc from topaz, but phenakite and topaz have very similar hardnesses and both are quite hard. A little known fact that in one direction quartz is actually harder than topaz, so you can see what you are up against. Hardness tests, in situations like this, are virtually worthless. Far more significant is morphology. Phenakite crystals are rhombohedral so it should be easy to observe three-fold symmetry if these are phenakite. Topaz is orthorhombic and the chisel-shaped crystals are very distinctive. Furthermore, the basal ceavage of topaz should be a prominent feature.
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parfaitelumiere




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PostPosted: Jan 03, 2009 05:57    Post subject: Re: Collection of Nurbo  

it seems that the "phenakit" crystal on the specimen looks like orthorhombic here.
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parfaitelumiere




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PostPosted: Jan 03, 2009 06:02    Post subject: Re: Collection of Nurbo  

bad drawn...


phenakite_cluster_166.jpg
 Description:
bad drawn...
 Viewed:  51574 Time(s)

phenakite_cluster_166.jpg


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nurbo




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PostPosted: Jan 03, 2009 08:13    Post subject: Re: Collection of Nurbo  

Ive had another very close look at this cluster with a 10x loupe and hidden away in its depths I did find some striations at 90 degree's to the termination this is Topaz, given the excellent other information given here I now have no doubts.
The following are Phenakites for sure



monster 1.JPG
 Description:
This one weighs 25.75 carats
 Viewed:  51561 Time(s)

monster 1.JPG



phenakite DT.JPG
 Description:
Double terminated,measures about 17 x 12 mm
 Viewed:  51551 Time(s)

phenakite DT.JPG



phenakite matrix 1.JPG
 Description:
Phenakite on matrix from Colorado, crystal measures about 5mm
 Viewed:  51571 Time(s)

phenakite matrix 1.JPG



huge phenakite.JPG
 Description:
this one weighs 26 carats
 Viewed:  51663 Time(s)

huge phenakite.JPG



7 phenakites.JPG
 Description:
Phenakites from Mogok
 Viewed:  51554 Time(s)

7 phenakites.JPG


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John S. White
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PostPosted: Jan 03, 2009 09:01    Post subject: Re: Collection of Nurbo  

Little beauties and phenakes for sure. Note that the transparent ones are wonderfully twinned. Parfaitelumiere, I really like what you did with the topaz, that was brilliant. Perfectly clear!
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nurbo




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PostPosted: Jan 03, 2009 12:05    Post subject: Re: Collection of Nurbo  

This is actually a very timely topic for me and Im especially greatful to Parfaitelumiere for his excellent drawing. I received a truly awe inspiring pair of Phenakites on matrix as a christmas present and there are some other crystals present which i was trying to identify, I'm quite sure that the one in the photograph is a Topaz. The Phenakites are in pristine condition unfortunately the same cannot be said for the Topaz.


topaz on matrix w Phenakite.JPG
 Description:
This has the "Chisel shape" mentioned earlier
 Viewed:  51542 Time(s)

topaz on matrix w Phenakite.JPG



phenakite on matrix.JPG
 Description:
These are beautiful, this is an old specimen from Panthahole mine, close to Mt.Gaba Ant Bwe Taung (Ant Pywe Taung), northeast of Mogok, Molo quarter, Momeik Township, Burma (Myanmar) The whole piece measures 52 x 34 x 26 mm and the crystals: 9 x 8 x 6 mm
 Viewed:  51516 Time(s)

phenakite on matrix.JPG


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