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Unnamed Nepheline occurrence [1], Ladjuar Medam (Lajur Madan; Lapis-lazuli Mine; Lapis-lazuli deposit), Sar-e Sang (Sar Sang; Sary Sang), Koksha Valley (Kokscha Valley; Kokcha Valley), Khash & Kuran Wa Munjan Districts, Badakhshan, Afghanistani
Regional Level Types
Unnamed Nepheline occurrence [1]Occurrence
Ladjuar Medam (Lajur Madan; Lapis-lazuli Mine; Lapis-lazuli deposit)- not defined -
Sar-e Sang (Sar Sang; Sary Sang)- not defined -
Koksha Valley (Kokscha Valley; Kokcha Valley)Valley
Khash & Kuran Wa Munjan DistrictsGroup of Regions

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Latitude & Longitude (WGS84):
36° North , 70° East (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
Locality type:
Köppen climate type:

A small lot (35 specimens) brought to the surface in October/December of 2008 from the Ladjuar Medan marbles.

Regions containing this locality

Eurasian PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.

Mineral List

7 valid minerals.

Detailed Mineral List:

Formula: CaCO3
Reference: 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.
Formula: CaMg(CO3)2
Reference: RWM Woodside collection
Formula: Na3K(Al4Si4O16)
Habit: Hexagonal barrels with truncated pyramids and pinacoid.
Colour: Grey
Fluorescence: none
Description: The cm sized hexagonal barrels of grey nepheline are coated with 100 microns of clear sodalite containing electric blue 0.1 micron specs of Nosean giving the big nephelines an electric blue colour.
Reference: RRUFF collection
Formula: Na8(Al6Si6O24)(SO4) · H2O
Habit: Exsolution specs.
Colour: electric blue
Fluorescence: none
Description: The x-rays suggest Nosean, Lazurite or Hauyne, but EDS shows the blue specs to be nosean (contains no Ca like Lazurite or Hauyne) These 0.1 micron specs are at the current limit of single xl XRD. The nosean is exsolved from a 100 micron layer of clear sodalite. This exsolution has been observed in synthetic materials (Van Peteghen et al 1963). This clear sodalite coats and is not in epitaxi with cm sized greasy grey nepheline xls.
Reference: Van Peteghem, J.K. and Burley, B.J. (1963) Studies On Solid Solution Between Sodalite, Nosean and Hauyne. The Canadian Mineralogist, 7, 808-813
Formula: KMg3(AlSi3O10)(OH)2
Reference: 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.
Formula: FeS2
Reference: 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.
Formula: Na8(Al6Si6O24)Cl2
Habit: 100 micron clear coating on Neheline xls
Colour: colourless
Fluorescence: none
Description: The clear sodalite coating on the nepheline hosts electric blue exsolved Nosean
Reference: RRUFF collection

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Group 5 - Nitrates and Carbonates
Group 9 - Silicates
Nosean9.FB.10Na8(Al6Si6O24)(SO4) · H2O

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework Feldspathoids and related species
Nosean76.2.3.2Na8(Al6Si6O24)(SO4) · H2O

List of minerals for each chemical element

H NoseanNa8(Al6Si6O24)(SO4) · H2O
H PhlogopiteKMg3(AlSi3O10)(OH)2
C CalciteCaCO3
C DolomiteCaMg(CO3)2
O NephelineNa3K(Al4Si4O16)
O NoseanNa8(Al6Si6O24)(SO4) · H2O
O CalciteCaCO3
O PhlogopiteKMg3(AlSi3O10)(OH)2
O DolomiteCaMg(CO3)2
O SodaliteNa8(Al6Si6O24)Cl2
Na NephelineNa3K(Al4Si4O16)
Na NoseanNa8(Al6Si6O24)(SO4) · H2O
Na SodaliteNa8(Al6Si6O24)Cl2
Mg PhlogopiteKMg3(AlSi3O10)(OH)2
Mg DolomiteCaMg(CO3)2
Al NephelineNa3K(Al4Si4O16)
Al NoseanNa8(Al6Si6O24)(SO4) · H2O
Al PhlogopiteKMg3(AlSi3O10)(OH)2
Al SodaliteNa8(Al6Si6O24)Cl2
Si NephelineNa3K(Al4Si4O16)
Si NoseanNa8(Al6Si6O24)(SO4) · H2O
Si PhlogopiteKMg3(AlSi3O10)(OH)2
Si SodaliteNa8(Al6Si6O24)Cl2
S NoseanNa8(Al6Si6O24)(SO4) · H2O
S PyriteFeS2
Cl SodaliteNa8(Al6Si6O24)Cl2
K NephelineNa3K(Al4Si4O16)
K PhlogopiteKMg3(AlSi3O10)(OH)2
Ca CalciteCaCO3
Ca DolomiteCaMg(CO3)2
Fe PyriteFeS2


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Moore, T.P., Woodside, R.W.M. (2014) The Sar-e-Sang Lapis Mines, Kuran Wa Munjan district, Badakhshan Province, Afghanistan. Mineralogical Record, 45(3), 280-336.

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