Martinandresite
A valid IMA mineral species
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About Martinandresite
Martin Andres
Formula:
Ba2(Al4Si12O32) · 10H2O
Colour:
tan, white
Lustre:
Vitreous
Hardness:
4½
Specific Gravity:
2.482
Crystal System:
Orthorhombic
Member of:
Name:
Named in honor of Martin Andres (b. 1965), from Glis, Switzerland. He discovered the famous armenite locality of Wasenalp; the type locality of this mineral.
Unique Identifiers
Mindat ID:
51985
Long-form identifier:
mindat:1:1:51985:0
GUID
(UUID V4):
(UUID V4):
da1783f2-356c-458d-ab7c-bbb8523c46ae
IMA Classification of Martinandresite
Approved
Approval year:
2017
First published:
2017
Type description reference:
Chukanov, Nikita V., Zubkova, Natalia V., Meisser, Nicolas, Ansermet, Stefan, Weiss, Stefan, Pekov, Igor V., Belakovskiy, Dmitriy I., Vozchikova, Svetlana A., Britvin, Sergey N., Pushcharovsky, Dmitry Yu. (2018) Martinandresite, Ba2(Al4Si12O32)·10H2O, a new zeolite from Wasenalp, Switzerland. Physics and Chemistry of Minerals, 45 (6) 511-521 doi:10.1007/s00269-017-0938-6
Classification of Martinandresite
9.GC.10
9 : SILICATES (Germanates)
G : Tektosilicates with zeolitic H2O; zeolite family
C : Chains of doubly-connected 4-membered rings
9 : SILICATES (Germanates)
G : Tektosilicates with zeolitic H2O; zeolite family
C : Chains of doubly-connected 4-membered rings
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 |
|---|---|---|
| Mad | 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 Martinandresite
Vitreous
Transparency:
Transparent, Translucent
Colour:
tan, white
Comment:
light green due to microscopic chlorite inclusions
Hardness:
4½ on Mohs scale
Cleavage:
Poor/Indistinct
Presumably on (010) and in a direction across (010).
Presumably on (010) and in a direction across (010).
Parting:
none
Density:
2.482(5) g/cm3 (Measured) 2.495 g/cm3 (Calculated)
Comment:
Measured by floatation in heavy liquids
Optical Data of Martinandresite
Type:
Biaxial (-)
RI values:
nα = 1.500(2) nβ = 1.512(2) nγ = 1.515(2)
2V:
Measured: 55° (10), Calculated: 53°
Max Birefringence:
δ = 0.015
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:
Low
Dispersion:
r < ν, weak
Pleochroism:
Non-pleochroic
Chemistry of Martinandresite
Mindat Formula:
Ba2(Al4Si12O32) · 10H2O
Crystallography of Martinandresite
Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Pmmn
Setting:
Pmmn
Cell Parameters:
a = 9.4640(4) Å, b = 14.2288(6) Å, c = 6.9940(4) Å
Ratio:
a:b:c = 0.665 : 1 : 0.492
Unit Cell V:
941.82 ų
Z:
1
Morphology:
Blocky. Major form is {010}; the subordinate forms are {100} and {001}.
Twinning:
Cruciform twins
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 6.98 Å | (74) |
| 6.26 Å | (83) |
| 5.61 Å | (100) |
| 3.933 Å | (60) |
| 3.191 Å | (50) |
| 3.170 Å | (62) |
| 3.005 Å | (79) |
| 2.816 Å | (49) |
Comments:
From Type Description.
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| High-𝑇 alteration and/or metamorphism | |
| 32 : Ba/Mn/Pb/Zn deposits, including metamorphic deposits |
Type Occurrence of Martinandresite
General Appearance of Type Material:
Tan-coloured blocky crystals up to 8 mm, aggregates up to 6 cm across, and cruciform twins up to 3.5 mm.
Place of Conservation of Type Material:
Type material is deposited in the mineralogical collections of the Geological Museum of Lausanne, Switzerland, catalogue number is MGL 093284
Empirical Formula of Type Material:
Na0.17K0.04Ba2.00(Al4.19Si11.81O32)H19.85O9.93
Chemical Analysis of Type Material:
| Na2O | 0.37 % |
|---|---|
| K2O | 0.12 % |
| BaO | 21.55 % |
| Al2O3 | 15.03 % |
| SiO2 | 49.86 % |
| H2O | 12.57 % |
| Total: | 99.5 % |
Associated Minerals at Type Locality:
Reference:
Chukanov, N.V., Zubkova, N.V., Meisser, N., Ansermet, S., Weiss, S., Pekov, I.V., Belakovskiy, D.I., Vozchikova, S.A., Britvin, S.N., Pushcharovsky, D.Yu (2017) Martinandresite, Ba2(Al4Si12O32)·10H2O, a new zeolite from Wasenalp, Switzerland. Mineralogy and Petrology: 44: 511–521.
Synonyms of Martinandresite
Relationship of Martinandresite to other Species
Member of:
Other Members of this group:
| Alflarsenite | NaCa2Be3Si4O13(OH) · 2H2O | Mon. 2 : P21 |
| Amicite | K2Na2Al4Si4O16 · 5H2O | Mon. 2 |
| Ammonioleucite | (NH4)(AlSi2O6) | Tet. 4/m : I41/a |
| Analcime | Na(AlSi2O6) · H2O | Tric. 1 : P1 |
| Bellbergite | (K,Ba,Sr)2Sr2Ca2(Ca,Na)4[Al3Si3O12]6 · 30H2O | Hex. |
| Bikitaite | LiAlSi2O6 · H2O | Tric. 1 : P1 |
| Boggsite | Ca8Na3(Si,Al)96O192 · 70H2O | Orth. mmm (2/m 2/m 2/m) : Imma |
| Brewsterite Subgroup | Zeolite Group. | |
| Chabazite-Levyne Subgroup | M[Al2Si4O12] · 6H2O | |
| Chiavennite | CaMnBe2Si5O13(OH)2 · 2H2O | Mon. 2/m : P21/b |
| Clinoptilolite Subgroup | M3-6(Si30Al6)O72 · 20H2O | |
| Cowlesite | CaAl2Si3O10 · 6H2O | Orth. mmm (2/m 2/m 2/m) |
| Dachiardite Subgroup | Zeolite Group. | |
| Direnzoite | NaK6MgCa2(Al13Si47O120) · 36H2O | Orth. mmm (2/m 2/m 2/m) : Pmmn |
| Edingtonite | Ba[Al2Si3O10] · 4H2O | Orth. 2 2 2 : P21 21 21 |
| Epistilbite | CaAl2Si6O16 · 5H2O | Mon. |
| Erionite Subgroup | M2[Al4Si14O36] · 15H2O | |
| Faujasite Subgroup | M3.5[Al7Si17O48] · 32H2O | |
| Ferrierite Subgroup | Zeolite Group. | |
| Ferrochiavennite | Ca1-2Fe[(Si,Al,Be)5Be2O13(OH)2] · 2H2O | Mon. 2/m : P21/b |
| Flörkeite | (K3Ca2Na)[Al8Si8O32] · 12H2O | Tric. 1 : P1 |
| Garronite Subgroup | ||
| Gaultite | Na4Zn2Si7O18 · 5H2O | Orth. mm2 : Fdd2 |
| Gismondine Subgroup | Zeolite Group. | |
| Gmelinite Subgroup | In 1997, gmelinite was split into Gmelinite-Ca, Gmelinite-Na and Gmelinite-K. | |
| Gobbinsite | Na5(Si11Al5)O32 · 11H2O | Orth. mmm (2/m 2/m 2/m) : Pnma |
| Goosecreekite | Ca[Al2Si6O16] · 5H2O | Mon. 2 : P21 |
| Gottardiite | Na3Mg3Ca5Al19Si117O272 · 93H2O | Orth. mmm (2/m 2/m 2/m) : Cmca |
| Heulandite Subgroup | (Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O | |
| Hsianghualite | Ca3Li2(Be3Si3O12)F2 | Iso. 4 3 2 : I41 3 2 |
| Kirchhoffite | Cs(BSi2O6) | Tet. 4/mmm (4/m 2/m 2/m) : I41/acd |
| Laumontite | CaAl2Si4O12 · 4H2O | Mon. 2/m : B2/m |
| Loomisite | Ba[Be2P2O8] · H2O | Mon. m |
| Lovdarite | K2Na6Be4Si14O36 · 9H2O | Orth. mm2 |
| Maricopaite | Pb7Ca2(Si,Al)48O100 · 32H2O | Orth. |
| Mazzite Subgroup | Zeolite Group. | |
| Merlinoite | (K,Na)5(Ca,Ba)2Al9Si23O64 · 23H2O | Orth. mmm (2/m 2/m 2/m) : Immm |
| Montesommaite | (K,Na)9Al9Si23O64 · 10H2O | Orth. mm2 : Fdd2 |
| Mordenite | (Na2,Ca,K2)4(Al8Si40)O96 · 28H2O | Orth. |
| Mutinaite | Na3Ca4Si85Al11O192 · 60H2O | Orth. mmm (2/m 2/m 2/m) : Pnma |
| Nabesite | Na2BeSi4O10 · 4H2O | Orth. 2 2 2 : P21 21 21 |
| Natrolite Subgroup | A subgroup of the Zeolite Group. | |
| Offretite | KCaMg(Si13Al5)O36 · 15H2O | Hex. 6 m2 : P6m2 |
| Pahasapaite | Li8(Ca,Li,K)10.5Be24(PO4)24 · 38H2O | Iso. 2 3 : I2 3 |
| Parthéite | Ca2(Si4Al4) O15 (OH)2 · 4H2O | Mon. 2/m : B2/b |
| Paulingite Subgroup | Paulingite was originally described in 1960. | |
| Perlialite | K9Na(Ca,Sr)[Al2Si4O12]6 · 15H2O | Hex. 6/mmm (6/m 2/m 2/m) : P6/mmm |
| Phillipsite Subgroup | Zeolite Group. | |
| Pollucite | (Cs,Na)2(Al2Si4O12) · 2H2O | Iso. m3m (4/m 3 2/m) : Ia3d |
| Roggianite | Ca2Be(OH)2Al2Si4O13 · 2.5H2O | Tet. 4/mmm (4/m 2/m 2/m) : I4/mcm |
| Stilbite Subgroup | M6-7[Al8-9Si27-28O72] · nH2O | |
| Terranovaite | (Na,Ca)8(Si68Al12)O160 · 29H2O | Orth. |
| Thomsonite Subgroup | The large majority of "thomsonite" is thomsonite-Ca. | |
| Tschernichite | (Ca,Na2)[Al2Si4O12] · 4-8H2O | Tet. 4/mmm (4/m 2/m 2/m) : P4/mmm |
| Tschörtnerite | Ca4(Ca,Sr,K,Ba)3Cu3[Al3Si3O12]4(OH)8 · nH2O | Iso. m3m (4/m 3 2/m) : Fm3m |
| UM1996-38-SiO:AlCaHNa | Na-Ca-Al-Si-O-H | |
| UM1999-33-SiO:AlHKNa | K7Na5Al12Si20O64 · 24H2O | |
| UM2002-40-SiO:AlCaHKMgNa | (Mg,Ca,Na,K)7.5(Al12.8Si51.2)O128 · 65H2O | Tet. 4 2 2 : P41 2 2 |
| Unnamed (Ca analogue of Merlinoite) | (Ca,K,Na)5(Ca,Ba)2Al9Si23O64 · 23H2O ? | |
| Wairakite | Ca(Al2Si4O12) · 2H2O | Mon. 2/m : B2/m |
| Weinebeneite | CaBe3(PO4)2(OH)2 · 4H2O | Mon. m : Bb |
| Wenkite | (Ba,K)4(Ca,Na)6[(Si,Al)20O39(OH)2](SO4)3 · 0.5H2O | Hex. 6 m2 : P62m |
| Willhendersonite | KCa[Al3Si3O12] · 5H2O | Tric. 1 : P1 |
| Yugawaralite | CaAl2Si6O16 · 4H2O | Mon. m : Pb |
Related Minerals - Strunz-mindat Grouping
| 9.GC. | Garronite-Na | Na6(Al6Si10O32) · 8.5H2O |
| 9.GC. | Gismondine-Sr | Sr4(Si8Al8O32) · 9H2O |
| 9.GC.05 | Amicite | K2Na2Al4Si4O16 · 5H2O |
| 9.GC.05 | Garronite-Ca | Na2Ca5Al12Si20O64 · 27H2O |
| 9.GC.05 | Gismondine-Ca | CaAl2Si2O8 · 4H2O |
| 9.GC.05 | Gobbinsite | Na5(Si11Al5)O32 · 11H2O |
| 9.GC.05 | Gismondine-Ba | Ba2Al4Si4O16 · 4-6H2O |
| 9.GC.10 | Harmotome | Ba2(Si12Al4)O32 · 12H2O |
| 9.GC.10 | Phillipsite-Ca | Ca3(Si10Al6)O32 · 12H2O |
| 9.GC.10 | Phillipsite-K | (K,Na,Ca0.5,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O |
| 9.GC.10 | Phillipsite-Na | (Na,K,Ca0.5,Ba0.5)4-7[Al4-7Si12-9O32] · 12H2O |
| 9.GC.10 | Flörkeite | (K3Ca2Na)[Al8Si8O32] · 12H2O |
| 9.GC.15 | Merlinoite | (K,Na)5(Ca,Ba)2Al9Si23O64 · 23H2O |
| 9.GC.20 | Mazzite-Mg | (Mg,K,Ca)5(Si26Al10)O72 · 28H2O |
| 9.GC.20 | Mazzite-Na | Na8[Al4Si14O36]2 · 30H2O |
| 9.GC.25 | Perlialite | K9Na(Ca,Sr)[Al2Si4O12]6 · 15H2O |
| 9.GC.30 | Boggsite | Ca8Na3(Si,Al)96O192 · 70H2O |
| 9.GC.35 | Paulingite-Ca | (Ca,K,Na,Ba, ◻)10 (Si, Al)42O84 · 34H2O |
| 9.GC.35 | Paulingite-K | (K2,Ca,Na2,Ba)5[Al10Si35O90] · 45H2O |
| 9.GC.35 | Paulingite-Na | (Na2,K2,Ca,Ba)5[Al10Si35O90] · 45H2O |
Fluorescence of Martinandresite
none
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 Martinandresite
mindat.org URL:
https://www.mindat.org/min-51985.html
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References for Martinandresite
Reference List:
Hålenius, U., Hatert, F., Pasero, M., Mills, S. J. (2017) New minerals and nomenclature modifications approved in 2017, CNMNC Newsletter No 38. Mineralogical Magazine, 81 (4) 1033-1038 doi:10.1180/minmag.2017.081.062
Chukanov, Nikita V., Zubkova, Natalia V., Meisser, Nicolas, Ansermet, Stefan, Weiss, Stefan, Pekov, Igor V., Belakovskiy, Dmitriy I., Vozchikova, Svetlana A., Britvin, Sergey N., Pushcharovsky, Dmitry Yu. (2018) Martinandresite, Ba2(Al4Si12O32)·10H2O, a new zeolite from Wasenalp, Switzerland. Physics and Chemistry of Minerals, 45 (6) 511-521 doi:10.1007/s00269-017-0938-6
Localities for Martinandresite
symbol to view information about a locality.
The 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).
All localities listed without proper references should be considered as questionable.
Switzerland (TL) | |
| Hålenius et al. (2017) +2 other references |
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Wasen Alp, Ganter valley, Ried-Brig, Brig, Valais, Switzerland