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Beryl var: Heliodor

Posted by Harjo Neutkens  
avatar Beryl var: Heliodor
April 27, 2011 02:50PM
    
Click here to view Beryl, here for Beryl var: Emerald, here for Beryl var: Red Beryl, here for Beryl var: Aquamarine, here for Beryl var: Morganite, here for Best Minerals B, here for Best Minerals A to Z and here for Fast Navigation of completed 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?


Heliodor
A variety of Beryl Be3Al2Si6O18 Hexagonal

Heliodor, Murzinka, Russia 3,1cm


Introduction:


HeliodorAfghanistanKonar Province

Heliodor 3,6cm
Heliodor 4cm

Nuristan province sensu strictu became officially recognised in 2001 (wikipedia) or 2004 (statoids.com), but was already known for 10 years. It was formed from the northern parts of Laghman Province and Konar (Kunar) Province.
Note, however, that "Nuristan" is also the traditional name for the region that encompasses these three current provinces (i.e., NE Afghanistan) and the name is still often used in that fashion.
Konar Province covers most of the Afghan part of the Konar valley, and most of the valleys of its confluents. Only a small part of the lower valley, a few kilometers upstream of its confluence with the Kabul river near Jalalabad, belongs to Nangarhar Province. Depending on which confluents are considered an integral part of the valley, the area referred to as "Konar Valley" may cover anything between about two thirds and all of Konar Province, making it not only a rather vague but also an ill-defined locality description. Therefore, photos of specimens labelled as coming from Konar Valley should be placed under Konar Province.

Possibly/probably, many Heliodor specimens from Konar province are irradiated Aquamarine crystals.


Work in progress



Edited 8 time(s). Last edit at 04/27/2011 10:02PM by Harjo Neutkens.
Re: Beryl var: Heliodor
April 01, 2014 01:16AM
BERYL var. HELIODOR
MARAMBAIA, CARAÍ, JEQUITINHONHA VALLEY, MINAS GERAIS, BRAZIL
DT Crystal 1.59 cm Wide, 1.27 cm Deep, 9.53 cm Tall
Attachments:
open | download - HELIODOR(Marambaia Carai, Brazil).jpg (553.5 KB)
Re: Beryl var: Heliodor
April 01, 2014 01:22AM


BERYL var. HELIODOR
VOLODARSK-VOLYNSKII, ZHYTOMYR OBLAST', UKRAINE
DT Crystal 3.31 cm Wide, 2.21 cm Deep, 7.65 cm Tall
Jeff Scovil photo
Attachments:
open | download - HELIODOR(Volodarsk-Volynskiy 1A).jpg (23.8 KB)
Re: Beryl var: Heliodor
November 28, 2014 05:07PM
    
I think I will need to at one point give some input here.
I have personally dug pockets and collected gem heliodor in several pegmatites in Finland, Urals, Ukarine, Brazil and even in the Erongo!
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