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This auction is open for bidding from:
Nov. 24, 2017
10:00.00 AM
The auction for these specimens close minutes after the time indicated below ~or~ minutes after the last bid is received.
Nov. 30, 2017
6:00.00 PM
The current time is:
Nov. 22, 2017
12:03.07 PM

My Time

Sodalite var Hackmanite & Phlogopite

 
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Specimen Code Number: av01
Learn more about: Sodalite
  Phlogopite
  Hackmanite
  Mica
Gem Crystal
Highly fluorescent
Size: Miniature
4.7x4.4x2.4 cm
Location: Faisabad
Kokcha Valley
Badakhshan
Afghanistan
Description: Gem quality Mica species are very difficult to obtain from any locality. The gem Phlogopites from Afghanistan that came on the market a few years ago are some of the best quality crystals for the species that I have seen. This particular specimen features one larger (6x6mm),gemmy, golden honey colored intact xl with sharp edges and appears intact.

Phlogopite is a yellow, greenish, or reddish-brown member of the mica family of phyllosilicates. It is also known as magnesium mica. Phlogopite is the magnesium endmember of the biotite solid solution series, with the chemical formula KMg3AlSi3O10(F,OH)2. Iron substitutes for magnesium in variable amounts leading to the more common biotite with higher iron content. For physical and optical identification, it shares most of the characteristic properties of biotite.

The piece also has rarely seen associations of deep blue Lazurite, and light blue to purplish Sodalite. The quality of the Phlogopite is very good for this locality, and these specimens are not nearly as obtainable as they were just a few years ago. This material is also strongly fluorescent under SW UV light.
 
Contact Dealer: Andrei Rykoff
Dealer Rating:  9.7 / 10.0  - Rate this Dealer
Dealer Guestbook: View/Post to this Dealer's Guestbook
Dealer Website: www.aarockshop.com
Contact John Veevaert: John Veevaert
 
 
SOLD for: $279.00