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Jasmundite

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Karl Jasmund
Formula:
Ca11(SiO4)4O2S
Colour:
Pale to smoky green, also greenish brown
Lustre:
Sub-Vitreous, Resinous, Dull
Hardness:
5
Specific Gravity:
3.03
Crystal System:
Tetragonal
Name:
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}.


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Classification of JasmunditeHide

Approved
9.AG.70

9 : SILICATES (Germanates)
A : Nesosilicates
G : Nesosilicates with additional anions; cations in > [6] +- [6] coordination
52.4.7.4

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
17.9.2

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

Physical Properties of JasmunditeHide

Sub-Vitreous, Resinous, Dull
Transparency:
Transparent, Translucent, Opaque
Colour:
Pale to smoky green, also greenish brown
Streak:
White
Hardness:
Tenacity:
Brittle
Cleavage:
None Observed
Fracture:
Conchoidal, Sub-Conchoidal
Density:
3.03 g/cm3 (Measured)    

Optical Data of JasmunditeHide

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

Chemical Properties of JasmunditeHide

Formula:
Ca11(SiO4)4O2S
IMA Formula:
Ca11O2(SiO4)4S
Common Impurities:
Al,Fe,Mg

Crystallography of JasmunditeHide

Crystal System:
Tetragonal
Class (H-M):
4 2m - Scalenohedral
Space Group:
I4m2
Setting:
I4m2
Cell Parameters:
a = 10.461 Å, c = 8.813 Å
Ratio:
a:c = 1 : 0.842
Unit Cell V:
964.43 ų (Calculated from Unit Cell)
Z:
2

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
7.396 (1)
6.741 (1)
4.405 (3)
4.128 (8)
3.367 (1)
3.306 (6)
3.242 (40)
2.832 (100)
2.756 (17)
2.645 (12)
2.615 (35)
2.487 (6)
2.437 (6)
2.339 (14)
2.247 (14)
2.202 (9)
2.151 (4)
2.111 (6)
2.066 (8b)
2.036 (6)
1.920 (16)
1.896 (1)
1.892 (4)
1.849 (35)
1.795 (2)
1.743 (6)
1.735 (3)
1.705 (17)
1.6844 (13)
1.6542 (3)
1.6433 (2)
1.6205 (10)
1.6038 (4)
1.5732 (3)
1.5491 (20)
1.5067 (6)
1.4840 (3)
1.4734 (1)
1.4690 (3)
1.4477 (2)
1.4278 (3)
1.4177 (8b)
1.4029 (2)
1.3914 (2)
1.3782 (1)
1.3676 (2b)
1.3489 (2)
1.3220 (1b)
1.3121 (2)
1.3085 (5)
Comments:
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:
Calcio-olivine1 photo of Jasmundite associated with Calcio-olivine on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

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.15MalayaiteCaSn(SiO4)OMon.
9.AG.15TitaniteCaTi(SiO4)OMon. 2/m : P21/b
9.AG.15VanadomalayaiteCaV4+(SiO4)OMon.
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.25Trimounsite-(Y)Y2Ti2(SiO4)O5Mon.
9.AG.25Yftisite-(Y)(Y,Dy,Er)4(Ti,Sn)(SiO4)2O(F,OH)6
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.40aNatisiteNa2Ti(SiO4)OTet.
9.AG.40bParanatisiteNa2Ti(SiO4)OOrth.
9.AG.45Törnebohmite-(Ce)(Ce,La)2Al(SiO4)2(OH)
9.AG.45Törnebohmite-(La)(La,Ce)2Al(SiO4)2(OH)
9.AG.50Kuliokite-(Y)Y4Al(SiO4)2(OH)2F5
9.AG.55ChantaliteCaAl2(SiO4)(OH)4Tet. 4/m : I41/a
9.AG.60MozartiteCaMn3+(SiO4)(OH)Orth. 2 2 2 : P21 21 21
9.AG.60VuagnatiteCaAl(SiO4)(OH)Orth.
9.AG.65HatruriteCa3(SiO4)OTrig.
9.AG.75AfwilliteCa3(HSiO4)2 · 2H2OMon. m : Bb
9.AG.80BultfonteiniteCa2(HSiO4)F · H2OTric.
9.AG.85ZoltaiiteBaV4+2V3+12(SiO4)2O19Trig. 3 : P3
9.AG.90Tranquillityite(Fe2+,Ca)8(Zr,Y)2Ti3(SiO4)3O12Hex.

Related Minerals - Dana Grouping (8th Ed.)Hide

52.4.7.1AfwilliteCa3(HSiO4)2 · 2H2OMon. m : Bb
52.4.7.2BultfonteiniteCa2(HSiO4)F · H2OTric.
52.4.7.3HatruriteCa3(SiO4)OTrig.

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.
Germany
 
  • Rhineland-Palatinate
    • Eifel
      • Mayen
        • 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.
Rüdinger, B.; Tillmanns, E. Hentschel, G. (1993): Bellbergite – a New Mineral with the Zeolite Structure Type EAB, Mineralogy and Petrology 48, 147-152
Palestine
 
  • 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
Mineral and/or Locality  
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