Gottardiite (original) (raw)

A valid IMA mineral species

04580740014946245374083.jpg

Formula:

Na3Mg3Ca5Al19Si117O272 · 93H2O

Crystal System:

Orthorhombic

Name:

Named in honor of Professor Glauco Gottardi (1928, Fiume, Italy (now Rijeka, Croatia) - 1 September 1988), University of Modena, Italy, in recognition of his pioneering work on the structure and crystal chemistry of natural zeolites.

This page provides mineralogical data about Gottardiite.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:6976:8

3d47541a-fc8f-47ff-b7e2-46b84686cee9

IMA Classification of GottardiiteHide

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Type description reference:

Classification of GottardiiteHide

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9.GF.10

9 : SILICATES (Germanates)
G : Tektosilicates with zeolitic H2O; zeolite family
F : Other Rare Zeolites

Mineral SymbolsHide

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As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Symbol Source Reference
Gtt IMA–CNMNC Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Pronunciation of GottardiiteHide

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Pronunciation:

Play Recorded by Country
Sorry, your browser doesn't support HTML5 audio. Jolyon Ralph United Kingdom

Physical Properties of GottardiiteHide

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Fracture:

Irregular/Uneven, Conchoidal

Density:

2.14(4) g/cm3 (Measured) 2.16 g/cm3 (Calculated)

Optical Data of GottardiiteHide

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RI values:

_n_α = 1.480(2) _n_β = 1.485(2) _n_γ = 1.486(2)

δ = 0.006

Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.

Comments:

2Vmeas < 60 degrees

Chemistry of GottardiiteHide

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Mindat Formula:

Na3Mg3Ca5Al19Si117O272 · 93H2O

Crystallography of GottardiiteHide

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Crystal System:

Orthorhombic

Class (H-M):

m m m _(_2/_m_2/_m_2/m ) - Dipyramidal

Cell Parameters:

a = 13.698(2) Å, b = 25.213(3) Å, c = 22.660(2) Å

Ratio:

a:b:c = 0.543 : 1 : 0.899

Unit Cell V:

7,826.03 ų (Calculated from Unit Cell)

Comment:

Topological symmetry Fmmm

Crystal StructureHide

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ID Species Reference Link Year Locality Pressure (GPa) Temp (K)
0006612 Gottardiite Alberti A, Vezzalini G, Galli E, Quartieri S (1996) The crystal structure of gottardiite, a new natural zeolite European Journal of Mineralogy 8 69-75 1996 0 293

CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

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Powder Diffraction Data:

d-spacing Intensity
11.34 Å (100)
10.64 Å (3`1)
4.64 Å (35)
4.37 Å (79)
4.01 Å (57)
3.938 Å (36)
3.776 Å (40)
3.282 Å (68)

Geological EnvironmentHide

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Type Occurrence of GottardiiteHide

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General Appearance of Type Material:

thin lamellae, pseudo-hexagonal in shape or elongated along [100].

Place of Conservation of Type Material:

British Museum of Natural History, London, with accession number BM 1994,100.

Geological Setting of Type Material:

Reference:

Galli, E., Quartieri, S., Vezzalini, G., Alberti, A. (1996) Gottardiite, a new high-silica zeolite from Antarctica: The natural counterpart of synthetic NU-87. European Journal of Mineralogy: 8: 687-693.

Synonyms of GottardiiteHide

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Other Language Names for GottardiiteHide

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Relationship of Gottardiite to other SpeciesHide

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Other Members of this group:

Alflarsenite NaCa2Be3Si4O13(OH) · 2H2O Mon. 2 : _P_21
Amicite K2Na2Al4Si4O16 · 5H2O Mon. 2
Ammonioleucite (NH4)(AlSi2O6) Tet. 4/m : _I_41/a
Analcime Na(AlSi2O6) · H2O Tric. 1 : _P_1
Bellbergite (K,Ba,Sr)2Sr2Ca2(Ca,Na)4[Al3Si3O12]6 · 30H2O Hex.
Bikitaite LiAlSi2O6 · H2O Tric. 1 : _P_1
Boggsite Ca8Na3(Si,Al)96O192 · 70H2O Orth. m m m _(_2/_m_2/_m_2/m ) : I m m a
Brewsterite Subgroup Zeolite Group.
Chabazite-Levyne Subgroup M[Al2Si4O12] · 6H2O
Chiavennite CaMnBe2Si5O13(OH)2 · 2H2O Mon. 2/m : _P_21/b
Clinoptilolite Subgroup M3-6(Si30Al6)O72 · 20H2O
Cowlesite CaAl2Si3O10 · 6H2O Orth. m m m _(_2/_m_2/_m_2/m )
Dachiardite Subgroup Zeolite Group.
Direnzoite NaK6MgCa2(Al13Si47O120) · 36H2O Orth. m m m _(_2/_m_2/_m_2/m ) : P m m n
Edingtonite Ba[Al2Si3O10] · 4H2O Orth. 222 : _P_212121
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 : _P_21/b
Flörkeite (K3Ca2Na)[Al8Si8O32] · 12H2O Tric. 1 : _P_1
Garronite Subgroup
Gaultite Na4Zn2Si7O18 · 5H2O Orth. m _m_2 : F d _d_2
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. m m m _(_2/_m_2/_m_2/m ) : P n m a
Goosecreekite Ca[Al2Si6O16] · 5H2O Mon. 2 : _P_21
Heulandite Subgroup (Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Hsianghualite Ca3Li2(Be3Si3O12)F2 Iso. 432 : _I_4132
Kirchhoffite Cs(BSi2O6) Tet. 4/m m m _(_4/_m_2/_m_2/m ) : _I_41/a c d
Laumontite CaAl2Si4O12 · 4H2O Mon. 2/m : _B_2/m
Loomisite Ba[Be2P2O8] · H2O Mon. m
Lovdarite K2Na6Be4Si14O36 · 9H2O Orth. m _m_2
Maricopaite Pb7Ca2(Si,Al)48O100 · 32H2O Orth.
Martinandresite Ba2(Al4Si12O32) · 10H2O Orth. m m m _(_2/_m_2/_m_2/m ) : P m m n
Mazzite Subgroup Zeolite Group.
Merlinoite (K,Na)5(Ca,Ba)2Al9Si23O64 · 23H2O Orth. m m m _(_2/_m_2/_m_2/m ) : I m m m
Montesommaite (K,Na)9Al9Si23O64 · 10H2O Orth. m _m_2 : F d _d_2
Mordenite (Na2,Ca,K2)4(Al8Si40)O96 · 28H2O Orth.
Mutinaite Na3Ca4Si85Al11O192 · 60H2O Orth. m m m _(_2/_m_2/_m_2/m ) : P n m a
Nabesite Na2BeSi4O10 · 4H2O Orth. 222 : _P_212121
Natrolite Subgroup A subgroup of the Zeolite Group.
Offretite KCaMg(Si13Al5)O36 · 15H2O Hex. 6_m_2 : _P_6_m_2
Pahasapaite Li8(Ca,Li,K)10.5Be24(PO4)24 · 38H2O Iso. 23 : _I_23
Parthéite Ca2(Si4Al4) O15 (OH)2 · 4H2O Mon. 2/m : _B_2/b
Paulingite Subgroup Paulingite was originally described in 1960.
Perlialite K9Na(Ca,Sr)[Al2Si4O12]6 · 15H2O Hex. 6/m m m _(_6/_m_2/_m_2/m ) : _P_6/m m m
Phillipsite Subgroup Zeolite Group.
Pollucite (Cs,Na)2(Al2Si4O12) · 2H2O Iso. m_3_m _(_4/_m_32/m ) : I a_3_d
Roggianite Ca2Be(OH)2Al2Si4O13 · 2.5H2O Tet. 4/m m m _(_4/_m_2/_m_2/m ) : _I_4/m c m
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/m m m _(_4/_m_2/_m_2/m ) : _P_4/m m m
Tschörtnerite Ca4(Ca,Sr,K,Ba)3Cu3[Al3Si3O12]4(OH)8 · nH2O Iso. m_3_m _(_4/_m_32/m ) : F m_3_m
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. 422 : _P_4122
Unnamed (Ca analogue of Merlinoite) (Ca,K,Na)5(Ca,Ba)2Al9Si23O64 · 23H2O ?
Wairakite Ca(Al2Si4O12) · 2H2O Mon. 2/m : _B_2/m
Weinebeneite CaBe3(PO4)2(OH)2 · 4H2O Mon. m : B b
Wenkite (Ba,K)4(Ca,Na)6[(Si,Al)20O39(OH)2](SO4)3 · 0.5H2O Hex. 6_m_2 : P_62_m
Willhendersonite KCa[Al3Si3O12] · 5H2O Tric. 1 : _P_1
Yugawaralite CaAl2Si6O16 · 4H2O Mon. m : P b

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9.GF.05 Terranovaite (Na,Ca)8(Si68Al12)O160 · 29H2O Orth.
9.GF.15 Lovdarite K2Na6Be4Si14O36 · 9H2O Orth. m _m_2
9.GF.20 Gaultite Na4Zn2Si7O18 · 5H2O Orth. m _m_2 : F d _d_2
9.GF.25 Chiavennite CaMnBe2Si5O13(OH)2 · 2H2O Mon. 2/m : _P_21/b
9.GF.25 Ferrochiavennite Ca1-2Fe[(Si,Al,Be)5Be2O13(OH)2] · 2H2O Mon. 2/m : _P_21/b
9.GF.30 Tschernichite (Ca,Na2)[Al2Si4O12] · 4-8H2O Tet. 4/m m m _(_4/_m_2/_m_2/m ) : _P_4/m m m
9.GF.35 Mutinaite Na3Ca4Si85Al11O192 · 60H2O Orth. m m m _(_2/_m_2/_m_2/m ) : P n m a
9.GF.40 Tschörtnerite Ca4(Ca,Sr,K,Ba)3Cu3[Al3Si3O12]4(OH)8 · nH2O Iso. m_3_m _(_4/_m_32/m ) : F m_3_m
9.GF.50 Thornasite (Na,K)12Th3[Si8O19]4 · 18H2O Trig. 3_m_ : R_3_m
9.GF.55 Direnzoite NaK6MgCa2(Al13Si47O120) · 36H2O Orth. m m m _(_2/_m_2/_m_2/m ) : P m m n
9.GF.60 Meierite Ba44Si66Al30O192Cl25(OH)33 Iso. m_3_m _(_4/_m_32/m ) : I m_3_m
9.GF.65 Rongibbsite Pb2(Si4Al)O11(OH) Mon. 2/m : _B_2/m

Other InformationHide

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Health Risks:

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

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References for GottardiiteHide

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Reference List:

Alberti, A., Vezzalini, G., Galli, E., Quartieri, S. (1996) The crystal structure of gottardiite, a new natural zeolite. European Journal of Mineralogy, 8, 69-75.

Localities for GottardiiteHide

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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

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- 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.

Antarctica (TL)
Eastern Antarctica Victoria Land Mount Adamson (TL) Vezzalini et al. (1994) +3 other references