Jasmundite
A valid IMA mineral species
This page is currently not sponsored. Click here to sponsor this page.
About Jasmundite
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}.
Unique Identifiers
Mindat ID:
2080
Long-form identifier:
mindat:1:1:2080:6
GUID
(UUID V4):
(UUID V4):
1c20d005-894d-4dfc-b2ef-f84ca3cb21d6
IMA Classification of Jasmundite
Approved
IMA Formula:
Ca11O2(SiO4)4S
First published:
1983
Classification of Jasmundite
9.AG.70
9 : SILICATES (Germanates)
A : Nesosilicates
G : Nesosilicates with additional anions; cations in > [6] +- [6] coordination
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
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
17 : Silicates Containing other Anions
9 : Silicates with sulphide or sulphite
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Jas | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Jasmundite
Sub-Vitreous, Resinous, Dull
Transparency:
Transparent, Translucent, Opaque
Colour:
Pale to smoky green, also greenish brown
Streak:
White
Hardness:
5 on Mohs scale
Tenacity:
Brittle
Cleavage:
None Observed
Fracture:
Conchoidal, Sub-Conchoidal
Density:
3.03 g/cm3 (Measured)
Optical Data of Jasmundite
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.
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
Chemistry of Jasmundite
Mindat Formula:
Ca11(SiO4)4O2S
Elements listed:
Common Impurities:
Al,Fe,Mg
Crystallography of Jasmundite
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
Morphology:
Dominant {110} and {101} forms.
Crystal Structure
Load
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Show
Big Balls | Small Balls | Just Balls | Spacefill
Polyhedra Off | Si Polyhedra | All Polyhedra
Remove metal-metal sticks
Big Balls | Small Balls | Just Balls | Spacefill
Polyhedra Off | Si Polyhedra | All Polyhedra
Remove metal-metal sticks
Display Options
Black Background | White Background
Perspective On | Perspective Off
2D | Stereo | Red-Blue | Red-Cyan
Black Background | White Background
Perspective On | Perspective Off
2D | Stereo | Red-Blue | Red-Cyan
View
CIF File Best | x | y | z | a | b | c
CIF File Best | x | y | z | a | b | c
Rotation
Stop | Start
Stop | Start
Labels
Console Off | On | Grey | Yellow
Console Off | On | Grey | Yellow
Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
---|---|---|---|---|---|---|---|
0009735 | Jasmundite | Dent Glasser L S, Lee C K (1981) The structure of jasmundite, Ca22(SiO4)8O4S2 Acta Crystallographica B37 803-806 | 1981 | Ettringer Feld lava flow, Bellerberg volcano, Mayen, Eifel, Germany | 0 | 293 | |
0020211 | Jasmundite | Ilinets A M, Bikbau M Y, Nudelman B I, Bolotina N B (1989) The peculiarities of the atomic-structure of alinite and jasmundite Kristallografiya 34 71-77 | 1989 | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
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) |
Comments:
ICDD 33-296 (Ettringer Feld, Mayen, Germany)
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
High-𝑇 alteration and/or metamorphism | |
31 : Thermally altered carbonate, phosphate, and iron formations |
Type Occurrence of Jasmundite
General Appearance of Type Material:
Irregular grains, up to several millimeters in size and occasionally, as euhedral crystals of isometric habit.
Place of Conservation of Type Material:
Mineralogical-Petrographic Institute, University of Cologne, Cologne, Germany.
Department of Chemistry, University of Aberdeen, Aberdeen, Scotland.
Department of Chemistry, University of Aberdeen, Aberdeen, Scotland.
Geological Setting of Type Material:
Metamorphosed limestone xenoliths in basalt
Associated Minerals at Type Locality:
Reference:
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.
Synonyms of Jasmundite
Other Language Names for Jasmundite
Common Associates
Associated Minerals Based on Photo Data:
7 photos of Jasmundite associated with Ternesite | Ca5(SiO4)2(SO4) |
3 photos of Jasmundite associated with Calcio-olivine | Ca2SiO4 |
Related Minerals - Strunz-mindat Grouping
9.AG. | Ivanyukite-Na-T | Na2Ti4(SiO4)3(OH)O3 · 7H2O |
9.AG. | Ivanyukite-Na-C | Na2Ti4(SiO4)3(OH)2O2 · 6H2O |
9.AG. | Edgrewite | Ca9(SiO4)4F2 |
9.AG. | Aluminotaipingite-(CeCa) | (Ce6Ca3)◻Al(SiO4)3[SiO3(OH)]4F3 |
9.AG.02 | Gatedalite | ZrMn2+2Mn3+4SiO12 |
9.AG.05 | Abswurmbachite | CuMn3+6(SiO4)O8 |
9.AG.05 | Braunite | Mn2+Mn3+6(SiO4)O8 |
9.AG.05 | Neltnerite | CaMn3+6(SiO4)O8 |
9.AG.05 | Braunite-II | CaMn3+14(SiO4)O20 |
9.AG.10 | Långbanite | Mn2+4Mn3+9Sb5+O16(SiO4)2 |
9.AG.12 | Taipingite-(CeCa) | (Ce7Ca2)◻Mg(SiO4)3[SiO3(OH)]4F3 |
9.AG.15 | Malayaite | CaSn(SiO4)O |
9.AG.15 | Titanite | CaTi(SiO4)O |
9.AG.15 | Vanadomalayaite | CaV4+(SiO4)O |
9.AG.15 | Natrotitanite | (Na0.5Y0.5)Ti(SiO4)O |
9.AG.15 | Żabińskiite | Ca[Al0.5(Ta,Nb)0.5)](SiO4)O |
9.AG.20 | Cerite-(CeCa) | (Ce7Ca2)◻Mg(SiO4)3(SiO3OH)4(OH)3 |
9.AG.20 | Ferricerite-(LaCa) | (La6Ca3)◻Fe3+(SiO4)3(SiO3OH)4(OH)3 |
9.AG.20 | Aluminocerite-(CeCa) | (Ce6Ca3)◻Al(SiO4)3[SiO3(OH)]4(OH)3 |
9.AG.25 | Trimounsite-(Y) | Y2Ti2(SiO4)O5 |
9.AG.25 | Yftisite-(Y) | (Y,Dy,Er)4(Ti,Sn)(SiO4)2O(F,OH)6 |
9.AG.25 | Mieite-(Y) | Y4Ti(SiO4)2O[F,(OH)]6 |
9.AG.30 | Sitinakite | KNa2Ti4(SiO4)2O5(OH) · 4H2O |
9.AG.35 | Kittatinnyite | Ca2Mn2Mn(SiO4)2(OH)4 · 9H2O |
9.AG.40a | Natisite | Na2Ti(SiO4)O |
9.AG.40b | Paranatisite | Na2Ti(SiO4)O |
9.AG.45 | Törnebohmite-(Ce) | Ce2Al(SiO4)2(OH) |
9.AG.45 | Törnebohmite-(La) | La2Al(SiO4)2(OH) |
9.AG.50 | Kuliokite-(Y) | Y4Al(SiO4)2(OH)2F5 |
9.AG.50 | Ivanyukite-Na | Na2Ti4(SiO4)3(OH)2O2 · 6H2O |
9.AG.50 | Ivanyukite-K | K2Ti4(SiO4)3(OH)2O2 · 9H2O |
9.AG.50 | Ivanyukite-Cu | CuTi4(SiO4)3(OH)2O2 · 7H2O |
9.AG.50 | Hydroxyledgrewite | Ca9(SiO4)4(OH)2 |
9.AG.52 | Ulfanderssonite-(Ce) | (Ce15Ca)Σ16Mg2(SiO4)10(SiO3OH)(OH,F)5Cl3 |
9.AG.55 | Chantalite | CaAl2(SiO4)(OH)4 |
9.AG.60 | Mozartite | CaMn3+(SiO4)(OH) |
9.AG.60 | Vuagnatite | CaAl(SiO4)(OH) |
9.AG.65 | Hatrurite | Ca3(SiO4)O |
9.AG.75 | Afwillite | Ca3(HSiO4)2 · 2H2O |
9.AG.80 | Bultfonteinite | Ca2(HSiO4)F · H2O |
9.AG.85 | Zoltaiite | BaV4+2V3+12(SiO4)2O19 |
9.AG.90 | Tranquillityite | (Fe2+,Ca)8(Zr,Y)2Ti3(SiO4)3O12 |
Fluorescence of Jasmundite
Not fluorescent in UV
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Jasmundite
mindat.org URL:
https://www.mindat.org/min-2080.html
Please feel free to link to this page.
Please feel free to link to this page.
Search Engines:
External Links:
Mineral Dealers:
References for Jasmundite
Reference List:
Dent Glasser, L. S., Lee, C. K. (1981) The structure of jasmundite, Ca22(SiO4)8O4S2. Acta Crystallographica Section B Structural Crystallography and Crystal Chemistry, 37 (4) 803-806 doi:10.1107/s0567740881004366
Localities for Jasmundite
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and 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 (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
Germany | |
| Hentschel et al. (1983) |
| Rüdinger et al. (1993) |
| Hentschel (1987) |
in the collection of Christof Schäfer | |
| Dent Glasser et al. (1981) +1 other reference |
Middle East | |
Vapnik et al. (2014) | |
Palestine | |
| Galuskin et al. (2015) +1 other reference |
Ukraine | |
| Шарыгин (2015) |
Quick NavTopAbout JasmunditeUnique IdentifiersIMA Classification Classification Mineral SymbolsPhysical Properties Optical Data Chemistry Crystallography Crystal StructureX-Ray Powder DiffractionGeological EnvironmentType Occurrence SynonymsOther LanguagesCommon AssociatesStrunz-MindatFluorescence Other InformationInternet Links References Localities Locality List
Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany