|Location is approximate, estimate based on other nearby localities.|
|Latitude & Longitude (WGS84):||36° North , 70° East (est.)|
|Margin of Error:||~3km|
|Köppen climate type:||ET : Tundra|
About 5 Km from Ladjuar Medan there is a skarn marble horizon cut through by the Sar-e-Sang River, very close to where it flows into the Koksha River. This gives deposits on both banks of the Sar-e-Sang River. (Dudley Blauwet (2013)Priv. Comm.) That horizon contains Haüyne, both green and blue and partially replaced by Gonnardite. Fine Marialites and Pargasites occur associated with the Haüyne.
A small number of light green Haüyne specimens were recovered in 2008 from here. Only recently was it noted that there is a very minor alteration to gonnardite on at least one of them. By 2009 the blue Haüynes with gonnardite replacement were being recovered. A few specimens of Pargasite soon followed and by 2013 a Pargasite with dark green Haüyne was found. Also in that find were the dark green Haüynes showing a slight colour change with the Haüyne being greener, the bluer the light source. This happens to a lesser extent with the earlier lighter green Haüynes
Like the Baffin Island green "lazurite" this light green Haüyne has a cell edge of 9.05 A. The problem is that no natural sulfide dominant Lazurite has ever been observed. They can be synthesized but are unstable. All 'Lazurite' specimens are actually sulfate dominant Haüyne. The specious argument to call some powder patterns Lazurite stems from the observation that sulfide is smaller than sulfate and so Haüynes with small unit cells should have more sulfide, but there is never enough to be sulfide dominant.
12 valid minerals. 1 erroneous literature entry.
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Moore, T.P.,Woodside, R.M.W. (2014): The Sar-e-Sang Lapis Mines, Kuran Wa Munjan district, Badakhshan Province, Afghanistan. Mineralogical Record 45 (3), 280-336.