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Unnamed Richterite 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 Richterite 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
BadakhshanProvince
AfghanistanCountry

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Key
Latitude & Longitude (WGS84):
36° North , 70° East (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~1km
Locality type:
Köppen climate type:


The Ladjuar Medan mines host several different parageneses and although there may be more than one richterite occurrence in the mines, this one is added as a provisional locality until better locality information arrives.

Regions containing this locality

Eurasian PlateTectonic Plate
AsiaContinent

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


7 valid minerals. 1 erroneous literature entry.

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
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.
'Andradite-Grossular Series'
Habit: Dodecahedron to a cm.
Colour: dark red
Fluorescence: none
Description: The "garnet" with Richterite is darker than an analysed light brown andradite which also occurs in the Sar-e-Sang marbles. This was the only "garnet" ever reported from here and it is a Sodalite!
Reference: R.W.M. Woodside (2013) (Private Communication) Photo on page 303 of - 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. -Misidentifies this sodalite.
Calcite
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.
Dolomite
Formula: CaMg(CO3)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.
Fluoro-richterite
Formula: {Na}{CaNa}{Mg5}(Si8O22)(F,OH)2
Habit: Prismatic xls to a few cm
Colour: white
Fluorescence: none
Description: A translucent white 'richterite' with purple hackmanite under Raman analysis gave a tiny Hydroxyl peak characteristic of Fluorine replacement making the 'richterite', fluororichterite
Reference: RWMW Collection;
'Hackmanite'
Formula: Na8Al6Si6O24(Cl2,S)
Habit: Crude to sharp dodecahedra with trapezohedral modifications
Colour: clear, white, grey, green, lilac, purple
Fluorescence: In Long Wave UV: yellow orange, pink, white
Description: These are some of the best Hackmanites ever found and show a variety of optical properties, such as darkening in the dark after bleaching in Yellow light, Reversible Photochromism (tenebrescence)with UV irradiation and yellow light. The grey sodalites contain significant K.
Reference: RWMW Collection
Pyrite
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.
Richterite
Formula: {Na}{NaCa}{Mg5}(Si8O22)(OH)2
Habit: Large terminated prisms to several cm
Colour: yellow
Fluorescence: none
Description: These were initially identified as winchite, but Frank Hawthorne using WDS and SCXRD found zoned Richterite enriched in K and F, but not enough to change the species
Reference: Dudley Blauwet (2008) Private Communication
Sodalite
Formula: Na8(Al6Si6O24)Cl2
Habit: Dodecahedra to 6 cm
Colour: The colours range from colourless , to grey, to yellow, to green, to lilac, to purple. The colorless to lilac and purple are photochromic.
Fluorescence: The best fluorescence is under long wave. The grey sodalite has the typical yellow disulfide fluorescence under long wave.
Description: The largest and best sodalite xls to 5 cm were found here
Reference: RWMW Collection

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Pyrite2.EB.05aFeS2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Dolomite5.AB.10CaMg(CO3)2
Group 9 - Silicates
Albite9.FA.35Na(AlSi3O8)
Fluoro-richterite9.DE.20{Na}{CaNa}{Mg5}(Si8O22)(F,OH)2
Richterite9.DE.20{Na}{NaCa}{Mg5}(Si8O22)(OH)2
Sodalite9.FB.10Na8(Al6Si6O24)Cl2
Unclassified Minerals, Rocks, etc.
'Andradite-Grossular Series' ?-
'Hackmanite'-Na8Al6Si6O24(Cl2,S)

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
AB(XO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 66 - INOSILICATES Double-Width,Unbranched Chains,(W=2)
Amphiboles - Mg-Fe-Mn-Li subgroup
Richterite66.1.3b.9{Na}{NaCa}{Mg5}(Si8O22)(OH)2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1Na(AlSi3O8)
Al-Si Framework Feldspathoids and related species
Sodalite76.2.3.1Na8(Al6Si6O24)Cl2
Unclassified Minerals, Mixtures, etc.
'Andradite-Grossular Series' ?-
Fluoro-richterite-{Na}{CaNa}{Mg5}(Si8O22)(F,OH)2
'Hackmanite'-Na8Al6Si6O24(Cl2,S)

List of minerals for each chemical element

HHydrogen
H Richterite{Na}{NaCa}{Mg5}(Si8O22)(OH)2
H Fluoro-richterite{Na}{CaNa}{Mg5}(Si8O22)(F,OH)2
CCarbon
C CalciteCaCO3
C DolomiteCaMg(CO3)2
OOxygen
O HackmaniteNa8Al6Si6O24(Cl2,S)
O Richterite{Na}{NaCa}{Mg5}(Si8O22)(OH)2
O SodaliteNa8(Al6Si6O24)Cl2
O Fluoro-richterite{Na}{CaNa}{Mg5}(Si8O22)(F,OH)2
O AlbiteNa(AlSi3O8)
O CalciteCaCO3
O DolomiteCaMg(CO3)2
FFluorine
F Fluoro-richterite{Na}{CaNa}{Mg5}(Si8O22)(F,OH)2
NaSodium
Na HackmaniteNa8Al6Si6O24(Cl2,S)
Na Richterite{Na}{NaCa}{Mg5}(Si8O22)(OH)2
Na SodaliteNa8(Al6Si6O24)Cl2
Na Fluoro-richterite{Na}{CaNa}{Mg5}(Si8O22)(F,OH)2
Na AlbiteNa(AlSi3O8)
MgMagnesium
Mg Richterite{Na}{NaCa}{Mg5}(Si8O22)(OH)2
Mg Fluoro-richterite{Na}{CaNa}{Mg5}(Si8O22)(F,OH)2
Mg DolomiteCaMg(CO3)2
AlAluminium
Al HackmaniteNa8Al6Si6O24(Cl2,S)
Al SodaliteNa8(Al6Si6O24)Cl2
Al AlbiteNa(AlSi3O8)
SiSilicon
Si HackmaniteNa8Al6Si6O24(Cl2,S)
Si Richterite{Na}{NaCa}{Mg5}(Si8O22)(OH)2
Si SodaliteNa8(Al6Si6O24)Cl2
Si Fluoro-richterite{Na}{CaNa}{Mg5}(Si8O22)(F,OH)2
Si AlbiteNa(AlSi3O8)
SSulfur
S HackmaniteNa8Al6Si6O24(Cl2,S)
S PyriteFeS2
ClChlorine
Cl HackmaniteNa8Al6Si6O24(Cl2,S)
Cl SodaliteNa8(Al6Si6O24)Cl2
CaCalcium
Ca Richterite{Na}{NaCa}{Mg5}(Si8O22)(OH)2
Ca Fluoro-richterite{Na}{CaNa}{Mg5}(Si8O22)(F,OH)2
Ca CalciteCaCO3
Ca DolomiteCaMg(CO3)2
FeIron
Fe PyriteFeS2

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
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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