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About JasmunditeHide

Karl Jasmund
Pale to smoky green, also greenish brown
Sub-Vitreous, Resinous, Dull
Specific Gravity:
Crystal System:
Named in 1981 by L. S. Dent Glasser and C. K. Lee in honor of Professor Karl Jasmund [January 19, 1913 Hagenow, Germany - November 4, 2003 Köln, Germany], systematic clay mineral mineralogist, Director of the Mineralogical-Petrographic Institute, University of Köln, Köln, Germany.
Small irregular green to brown grains; may be in pseudo-isometric crystals dominant {110}, {101}, with smaller {100} and {001}.

Classification of JasmunditeHide


9 : SILICATES (Germanates)
A : Nesosilicates
G : Nesosilicates with additional anions; cations in > [6] +- [6] coordination

52 : NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
4 : Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination

17 : Silicates Containing other Anions
9 : Silicates with sulphide or sulphite

Physical Properties of JasmunditeHide

Sub-Vitreous, Resinous, Dull
Transparent, Translucent, Opaque
Pale to smoky green, also greenish brown
None Observed
Conchoidal, Sub-Conchoidal
3.03 g/cm3 (Measured)    

Optical Data of JasmunditeHide

Uniaxial (-)
RI values:
nω = 1.750 nε = 1.728
Max Birefringence:
δ = 0.022
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Optical Extinction:
Reported optics are also unixial (+) Nω = 1.715 Nε = 1.728 due to Al, Fe, Mg substitution

Chemical Properties of JasmunditeHide

IMA Formula:
Common Impurities:

Crystallography of JasmunditeHide

Crystal System:
Class (H-M):
4 2m - Scalenohedral
Space Group:
Cell Parameters:
a = 10.461 Å, c = 8.813 Å
a:c = 1 : 0.842
Unit Cell V:
964.43 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

Powder Diffraction Data:
7.396 Å(1)
6.741 Å(1)
4.405 Å(3)
4.128 Å(8)
3.367 Å(1)
3.306 Å(6)
3.242 Å(40)
2.832 Å(100)
2.756 Å(17)
2.645 Å(12)
2.615 Å(35)
2.487 Å(6)
2.437 Å(6)
2.339 Å(14)
2.247 Å(14)
2.202 Å(9)
2.151 Å(4)
2.111 Å(6)
2.066 Å(8b)
2.036 Å(6)
1.920 Å(16)
1.896 Å(1)
1.892 Å(4)
1.849 Å(35)
1.795 Å(2)
1.743 Å(6)
1.735 Å(3)
1.705 Å(17)
1.6844 Å(13)
1.6542 Å(3)
1.6433 Å(2)
1.6205 Å(10)
1.6038 Å(4)
1.5732 Å(3)
1.5491 Å(20)
1.5067 Å(6)
1.4840 Å(3)
1.4734 Å(1)
1.4690 Å(3)
1.4477 Å(2)
1.4278 Å(3)
1.4177 Å(8b)
1.4029 Å(2)
1.3914 Å(2)
1.3782 Å(1)
1.3676 Å(2b)
1.3489 Å(2)
1.3220 Å(1b)
1.3121 Å(2)
1.3085 Å(5)
ICDD 33-296 (Ettringer Feld, Mayen, Germany)

Type Occurrence of JasmunditeHide

Synonyms of JasmunditeHide

Other Language Names for JasmunditeHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
1 photo of Jasmundite associated with Calcio-olivineCa2SiO4

Related Minerals - Nickel-Strunz GroupingHide

9.AG.EdgrewiteCa9(SiO4)4F2Mon. 2/m : P21/b
9.AG.05AbswurmbachiteCuMn3+6(SiO4)O8Tet. 4/mmm (4/m 2/m 2/m) : I41/acd
9.AG.05BrauniteMn2+Mn3+6(SiO4)O8Tet. 4/mmm (4/m 2/m 2/m) : I41/acd
9.AG.05NeltneriteCaMn3+6(SiO4)O8Tet. 4/mmm (4/m 2/m 2/m) : I41/acd
9.AG.05Braunite-IICaMn3+14(SiO4)O20Tet. 4/mmm (4/m 2/m 2/m) : I41/acd
9.AG.10LångbaniteMn2+4Mn3+9Sb5+O16(SiO4)2Trig. 3m : P3m1
9.AG.15TitaniteCaTi(SiO4)OMon. 2/m : P21/b
9.AG.15Natrotitanite(Na0.5Y0.5)Ti(SiO4)OMon. 2/m : B2/b
9.AG.15ŻabińskiiteCa[Al0.5(Ta,Nb)0.5)](SiO4)OTric. 1
9.AG.20Cerite-(Ce)(Ce,Ca)9(Mg,Fe)(SiO4)3(HSiO4)4(OH)3Trig. 3m : R3c
9.AG.20Cerite-(La)(La,Ce,Ca)9(Fe,Ca,Mg)(SiO4)3(HSiO4)4(OH)3Trig. 3m : R3c
9.AG.20Aluminocerite-(Ce)(Ce,La,Ca)9(Al,Fe3+)(SiO4)3(HSiO4)4(OH)3Trig. 3m : R3c
9.AG.25Mieite-(Y)Y4Ti(SiO4)2O[F,(OH)]6Orth. mmm (2/m 2/m 2/m) : Cmcm
9.AG.30SitinakiteKNa2Ti4(SiO4)2O5(OH) · 4H2OTet.
9.AG.35KittatinnyiteCa2Mn2Mn(SiO4)2(OH)4 · 9H2OHex.
9.AG.55ChantaliteCaAl2(SiO4)(OH)4Tet. 4/m : I41/a
9.AG.60MozartiteCaMn3+(SiO4)(OH)Orth. 2 2 2 : P21 21 21
9.AG.75AfwilliteCa3(HSiO4)2 · 2H2OMon. m : Bb
9.AG.80BultfonteiniteCa2(HSiO4)F · H2OTric.
9.AG.85ZoltaiiteBaV4+2V3+12(SiO4)2O19Trig. 3 : P3

Related Minerals - Dana Grouping (8th Ed.)Hide · 2H2OMon. m : Bb · H2OTric.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

17.9.1LazuriteNa6Ca2(Al6Si6O24)(SO4,S,S2,S3,Cl,OH)2Iso. 4 3m : P4 3n
17.9.3GenthelviteBe3Zn4(SiO4)3SIso. 4 3m : P4 3n
17.9.4HelvineBe3Mn2+4(SiO4)3SIso. 4 3m : P4 3n
17.9.5DanaliteBe3Fe2+4(SiO4)3SIso. 4 3m : P4 3n

Fluorescence of JasmunditeHide

Not fluorescent in UV

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for JasmunditeHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Dent Glasser, L. S., Lee, C. K. (1981): The structure of jasmundite, Ca22(SiO4)8O4S2. Acta Crystallographica, 37, 803-806.
Hentschel, G., Dent Glasser, L. S., Lee, C. K. (1983): Jasmundite, Ca22(SiO4)8O4S2, a new mineral. Neues Jahrbuch für Mineralogie, Monatshefte, 1983, 337-343.
American Mineralogist (1984): 69: 566-567.

Internet Links for JasmunditeHide

Localities for JasmunditeHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
  • Rhineland-Palatinate
    • Mayen-Koblenz
      • Mayen
        • Bellerberg volcano
          • Southern lava flow
            • Mayener Feld
Rüdinger, B.; Tillmanns, E. Hentschel, G. (1993): Bellbergite – a New Mineral with the Zeolite Structure Type EAB, Mineralogy and Petrology 48, 147-152
        • Ettringen
          • Bellerberg volcano
Hentschel, G. (1987): Die Mineralien der Eifelvulkane, Weise (München), 2. Auflage
            • Southern lava flow
Dent Glasser, L. S., Lee, C. K. (1981): The Structure of Jasmundite, Ca22(Si04)804S2, Acta Cryst., Vol. 37, 803-806
Hentschel, G., Dent Glasser, L.S., Lee, C.K. (1983): Jasmundite. Ca22(Si04)8O4S2. a new mineral, N. Jb. Mineral., Mh., 337-342.
  • Negev
Vapnik, Y., Galuskina, I., Murashko, M., Britvin, S., & Galuskin, E. (2014). The Hatrurim Complex-the New Unique Locality on World Mineral Map: the Review of Mineral Discoveries. In Israel Geological Society 2014, Annual Meeting, En Boqeq (pp. 143-144).
  • West Bank
    • Hatrurim Formation
Galuskin, E.V., Gfeller, F., Armbruster, T., Galuskina, I.O., Vapnik, Y., Murashko, M., Włodyka, R., Dzierżanowski, P. (2015): New minerals with a modular structure derived from hatrurite from the pyrometamorphic Hatrurim Complex. Part I. Nabimusaite, KCa12(SiO4)4(SO4)2O2F, from larnite rocks of Jabel Harmun, Palestinian Autonomy, Israel. Mineralogical Magazine, 79, 1061-1072
  • Donetsk Oblast
    • Donetsk
      • Kalinin coal mine
Шарыгин, В. В. (2015). Минералогия метакарбонатной породы из горелого террикона угольной шахты им. Калинина, г. Донецк. Минералогия техногенеза–2015, Миасс, Имин УрО РАН, 13-40. (Mineralogy of a Metacarbonate Rock from a Burned Dump of the Kalinin Coal Mine, Donetsk)
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