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Quartz, Nepal

Posted by Rock Currier  
avatar Quartz, Nepal
March 24, 2009 07:47PM
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Click here for a list of articles that are not under construction but have had at least their first drafts finished.

This article is a place holder and needs someone to take it in hand and finish the first draft. If you would like to take this article in hand, leave a reply message below or contact Rock Currier via private message by clicking on the PM button next to my name at the top of the article.



Click here to view Best Minerals Quartz and here for Best Minerals A to Z and here for Fast Navigation of Best Minerals articles.


Can you help make this a better article? What good localities have we missed? Can you supply pictures of better specimens than those we show here? Can you give us more and better information about the specimens from these localities? Can you supply better geological or historical information on these localities?


QuartzSiO2 trigonal

Here will go a good picture of a quartz specimen from Nepal and general remarks about the quartz from this country.


Here are some url's to some of the better quartz specimens here on mindat that can be considered for inclusion in the article. These, in mosc cases are just for temporairy use untill we can get images of the much better specimens that are almost certainly out there. We should also consider that there are probably localities out there with fine specimens that are not even mentioned on mindat. Also in some instances there are sometimes pictures on mindat, of specimens from a locality, but they were so ratty that I did not include them here, but there may also be relly good specimens from there that we should talk about in this article.




QuartzNepal
Dhading, Dhading District, Bagmati Zone, Nepal
http://www.mindat.org/photo-6716.html
http://www.mindat.org/photo-94614.html


QuartzNepal
Ganesh Himal (Ganesha), Himalayan Mts, Dhading District, Bagmati Zone, Nepal
http://www.mindat.org/photo-173925.html
http://www.mindat.org/photo-191197.html
http://www.mindat.org/photo-210892.html



Click here to view Best Minerals Quartz and here for Best Minerals A to Z and here for Fast Navigation of Best Minerals articles.

Rock Currier
Crystals not pistols.



Edited 4 time(s). Last edit at 12/29/2012 07:52PM by Rock Currier.
avatar Re: Quartz, Nepal
March 31, 2012 02:18PM
This quartz is the most transparent I've ever seen from any location:
http://www.mindat.org/photo-455466.html
I will try to post better photos although it is difficult precisely because it is so clear.
Greetings.

Josele



Edited 1 time(s). Last edit at 03/31/2012 04:16PM by Jose Zendrera.
avatar Re: Quartz, Nepal
March 31, 2012 08:08PM
    
There appears to be a problem under the Nepal, Quartz section ... it includes specimens from the States at the end of the search section
John
avatar Re: Quartz, Nepal
March 31, 2012 08:09PM
    
Wow, nice specimen Jose!
avatar Re: Quartz, Nepal
March 31, 2012 08:29PM
Jose, can you tell us something about the locality? Its geology? How abundant are the specimens and if there are any associated minerals, how large do they get etc?

Rock Currier
Crystals not pistols.
Re: Quartz, Nepal
March 31, 2012 09:26PM
Looks more like a Dhading specimen to me. I got some specimen that look the same, just a bit smaller.
Are you sure about the locality?
avatar Re: Quartz, Nepal
April 01, 2012 12:49AM
John, thanks for your comment.

Rock, I bough this quartz in a jewelry in Kathmandu and just Taplejung was done as origin. Nepal is specially hermetic with mineral locality data, I learned this after some days in Kathmandu trying to get information about Nepalese gemstones, visiting some geologist in the Nepal Department of Mines and speaking with all dealers offering nice specimens in Kathmandu.

Taplejung is a small and isolated village where it starts the Kachenchunga trekking. Taplejung District is a vast area where crop the following materials:
Himal Group (Pre-Cambrian):
1 - Himal Group: Garnet biotite-gneisses, kyanite-biotite gneisses, garnetiferous mica schist augen gneisses, micaceous quartzites and thin bands of marbles.
Mid Land Group (Upper Pre-Cambrian - Late Paleozoic):
2 - Ulleri Formation: Augen gneisses, muscovite-biotite gneisses and feldspathic schists.
3 - Seti Formation: Grey greenish grey gritty chlorite muscovite sandstones, gritstones with conglomerates and white massive quartzites in the upper parts. Basic intrusions are noted.
4 - Kushma Formation: Greenish grey to white fine to medium grained at places ripple marked massive quartzite intercalated with green phyllites. Basic intrusions are abundant.
5 - Mica-tourmaline grainitic pegmatite intrusions.
(Source: Legende of Geological Map of Nepal)

Somewhere in Taplejung District is also the source of best aquamarines in Nepal.

There is not much bussines around Nepalese minerals and export is restricted. The offer of good specimens in Kathmandu is very little. However, the potential is so high... for future generations.

That's all I can say, I hope this helps.

Quartz from Taplejung:


Josele



Edited 3 time(s). Last edit at 04/01/2012 10:05PM by Jose Zendrera.
Attachments:
open | download - Q_np1.JPG (467.7 KB)
avatar Re: Quartz, Nepal
April 01, 2012 09:21PM
    
Here's a Japan-law twin I aquired in Kathmandu recently (March,2012) form the miner... collected at 12,500 feet above sea level near Makalu





Edited 2 time(s). Last edit at 04/01/2012 09:25PM by John Montgomery.
avatar Re: Quartz, Nepal
April 01, 2012 09:56PM
John,
Very interesting. I am sure that when someone takes it upon themselves to write the Best Minerals, Quartz-Nepal article that you image will be included.

Rock Currier
Crystals not pistols.
avatar Re: Quartz, Nepal
April 01, 2012 10:51PM
    
Thanks Rock
John
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