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Tschernichite

This page kindly sponsored by Douglas Merson
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About TschernichiteHide

Rudy W. Tschernich
Formula:
(Ca,Na2)[Al2Si4O12] · 4-8H2O
Colour:
Colourless to white
Lustre:
Vitreous
Hardness:
Specific Gravity:
2.11 (Calculated)
Crystal System:
Tetragonal
Member of:
Name:
Named in honor of Rudy Warren Tschernich (1945- December 26, 2017), Snohomish, Washington (USA), geologist, curator, and an expert on zeolitic minerals who found the first specimens. He wrote the book 'Zeolites of the World'. Pronounced cher-nich-ite.

Classification of TschernichiteHide

Approved
Approval Year:
1989
First Published:
1991
Approval History:
IMA1989-037
9.GF.30

9 : SILICATES (Germanates)
G : Tektosilicates with zeolitic H2O; zeolite family
F : Other Rare Zeolites
Dana 7th ed.:
77.1.8.2
77.1.8.2

77 : TECTOSILICATES Zeolites
1 : Zeolite group - True zeolites

Physical Properties of TschernichiteHide

Vitreous
Transparency:
Transparent, Translucent
Colour:
Colourless to white
Streak:
white
Hardness:
4½ on Mohs scale
Cleavage:
None Observed
Fracture:
Conchoidal
Density:
2.11 g/cm3 (Calculated)

Optical Data of TschernichiteHide

Type:
Uniaxial (-)
RI values:
nω = 1.484 nε = 1.483
Max Birefringence:
δ = 0.001
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate

Chemical Properties of TschernichiteHide

Formula:
(Ca,Na2)[Al2Si4O12] · 4-8H2O
IMA Formula:
CaAl2Si6O16 · 8H2O
Common Impurities:
Fe

Crystallography of TschernichiteHide

Crystal System:
Tetragonal
Class (H-M):
4/mmm (4/m 2/m 2/m) - Ditetragonal Dipyramidal
Space Group:
P4/mmm
Cell Parameters:
a = 12.88 Å, c = 25.02 Å
Ratio:
a:c = 1 : 1.943
Unit Cell V:
4150.68 ų
Z:
8

Crystallographic forms of TschernichiteHide

Crystal Atlas:
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Tschernichite - {302}, {001}
Tschernichite - Contact twin on {101}
Tschernichite - Contact twin on {302}
Tschernichite - Contact twin on {304}
Tschernichite - Multiple contact twin on {101}
3d models and HTML5 code kindly provided by www.smorf.nl.

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Type Occurrence of TschernichiteHide

Place of Conservation of Type Material:
National Museum of Natural History, Washington, D.C., USA.
Reference:
Smith, J.V., Pluth, J.J., Boggs, R.C., Howard, D.G. (1991) Tschernichite, the mineral analogue of zeolite beta. Journal of the Chemical Society, Chemical Communications: 1991: 363-364.

Synonyms of TschernichiteHide

Other Language Names for TschernichiteHide

Relationship of Tschernichite to other SpeciesHide

Member of:
Other Members of this group:
AlflarseniteNaCa2Be3Si4O13(OH) · 2H2OMon. 2 : P21
AmiciteK2Na2Al4Si4O16 · 5H2OMon. 2
Ammonioleucite(NH4,K)(AlSi2O6)Tet.
AnalcimeNa(AlSi2O6) · H2OTric. 1 : P1
Bellbergite(K,Ba,Sr)2Sr2Ca2(Ca,Na)4[Al3Si3O12]6 · 30H2OHex.
BikitaiteLiAlSi2O6 · H2OTric. 1 : P1
BoggsiteCa8Na3(Si,Al)96O192 · 70H2OOrth. mmm (2/m 2/m 2/m) : Imma
Brewsterite-Ba(Ba,Sr)[Al2Si6O16] · 5H2OMon. 2/m : P21/m
Brewsterite-Sr(Sr,Ba,Ca)[Al2Si6O16] · 5H2O
Chabazite-Levyne SubgroupA subgroup of the Zeolite Group.
ChiavenniteCaMnBe2Si5O13(OH)2 · 2H2OMon. 2/m : P21/b
ClinoptiloliteNote on the distinguishing differences between clinoptilolite and heulandite (hhttp://rruff.
CowlesiteCaAl2Si3O10 · 6H2OOrth.
Dachiardite-Ca(Ca,Na2,K2)5Al10Si38O96 · 25H2OMon.
Dachiardite-KK4(Si20Al4O48)·13H2OMon.
Dachiardite-Na(Na2,Ca,K2)5Al10Si38O96 · 25H2OMon.
DirenzoiteNaK6MgCa2(Al13Si47O120) · 36H2OOrth. mmm (2/m 2/m 2/m) : Pmmn
EdingtoniteBa[Al2Si3O10] · 4H2O
EpistilbiteCaAl2Si6O16 · 5H2OMon.
ErioniteThis name now refers to a group of related minerals.
Faujasite
Faujasite-Ca(Ca,Na2,Mg)3.5[Al7Si17O48] · 32H2OIso.
FerrieriteZeolite Group.
FerrochiavenniteCa1-2Fe[(Si,Al,Be)5Be2O13(OH)2] · 2H2OMon. 2/m : P21/b
Flörkeite(K3Ca2Na)[Al8Si8O32] · 12H2OTric. 1 : P1
Garronite-CaNa2Ca5Al12Si20O64 · 27H2OTet. 4 2m : I4m2
GaultiteNa4Zn2Si7O18 · 5H2OOrth. mm2 : Fdd2
Gismondine-BaBa2Al4Si4O16 · 4-6H2O
Gismondine-CaCaAl2Si2O8 · 4H2O
GmeliniteIn 1997, gmelinite was split into Gmelinite-Ca, Gmelinite-Na and Gmelinite-K.
GobbinsiteNa5(Si11Al5)O32 · 11H2OOrth.
GoosecreekiteCa[Al2Si6O16] · 5H2OMon.
GottardiiteNa3Mg3Ca5Al19Si117O272 · 93H2OOrth.
Harmotome(Ba0.5,Ca0.5,K,Na)5[Al5Si11O32] · 12H2OMon. 2/m : P21/m
Heulandite subgroupNote on the distinguishing differences between heulandite and clinoptilolite (http://rruff.
HsianghualiteCa3Li2(Be3Si3O12)F2
KirchhoffiteCs(BSi2O6)Tet. 4/mmm (4/m 2/m 2/m) : I41/acd
LaumontiteCaAl2Si4O12 · 4H2OMon. 2/m : B2/m
LovdariteK2Na6Be4Si14O36 · 9H2OOrth. mm2
MaricopaitePb7Ca2(Si,Al)48O100 · 32H2OOrth.
Mazzite-Mg(Mg,K,Ca)5(Si26Al10)O72 · 28H2OHex.
Mazzite-NaNa8[Al4Si14O36]2 · 30H2OHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
Merlinoite(K,Na)5(Ca,Ba)2Al9Si23O64 · 23H2OOrth.
Montesommaite(K,Na)9Al9Si23O64 · 10H2OOrth.
Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2OOrth.
MutinaiteNa3Ca4Si85Al11O192 · 60H2OOrth.
NabesiteNa2BeSi4O10 · 4H2OOrth. 2 2 2 : P21 21 21
Natrolite SubgroupA subgroup of the Zeolite Group.
OffretiteKCaMg(Si13Al5)O36 · 15H2OHex. 6 m2 : P6m2
PahasapaiteLi8(Ca,Li,K)10.5Be24(PO4)24 · 38H2OIso. 2 3 : I2 3
ParthéiteCa2(Si4Al4) O15 (OH)2•4H2OMon. 2/m : B2/b
Paulingite-Ca(Ca,K,Na,Ba,◻)10 (Si, Al)42O84•34H2OIso.
Paulingite-K(K2,Ca,Na2,Ba)5[Al10Si35O90] · 45H2OIso.
Paulingite-Na(Na2,K2,Ca,Ba)5[Al10Si35O90] · 45H2OIso.
PerlialiteK9Na(Ca,Sr)[Al2Si4O12]6 · 15H2OHex.
PhillipsiteZeolite Group.
Pollucite(Cs,Na)2(Al2Si4O12) · 2H2OIso. m3m (4/m 3 2/m) : Ia3d
RoggianiteCa2Be(OH)2Al2Si4O13 · 2.5H2OTet.
Stilbite subgroupThis name now refers to the zeolite subgroup including the Barrerite - Stilbite-Ca - ...
Terranovaite(Na,Ca)8(Si68Al12)O160 · 29H2OOrth.
Thomsonite-CaNaCa2[Al5Si5O20] · 6H2OOrth. mmm (2/m 2/m 2/m)
Thomsonite-SrNa(Sr,Ca)2[Al5Si5O20] · 7H2OOrth. mmm (2/m 2/m 2/m)
TschörtneriteCa4(Ca,Sr,K,Ba)3Cu3[(OH)2|Al3Si3O12]4 · nH2OIso. m3m (4/m 3 2/m) : Fm3m
WairakiteCa(Al2Si4O12) · 2H2OMon. 2/m
WeinebeneiteCaBe3(PO4)2(OH)2 · 4H2OMon.
Wenkite(Ba,K)4(Ca,Na)6[(SO4)3|(Si,Al)20O39(OH)2] · 0.5H2OHex.
WillhendersoniteKCa[Al3Si3O12] · 5H2OTric.
YugawaraliteCaAl2Si6O16 · 4H2OMon.

Common AssociatesHide

Associated Minerals Based on Photo Data:
Boggsite4 photos of Tschernichite associated with Boggsite on mindat.org.
Heulandite subgroup2 photos of Tschernichite associated with Heulandite subgroup on mindat.org.
Cowlesite1 photo of Tschernichite associated with Cowlesite on mindat.org.
Smectite Group1 photo of Tschernichite associated with Smectite Group on mindat.org.
Thomsonite-Ca1 photo of Tschernichite associated with Thomsonite-Ca on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

9.GF.05Terranovaite(Na,Ca)8(Si68Al12)O160 · 29H2OOrth.
9.GF.10GottardiiteNa3Mg3Ca5Al19Si117O272 · 93H2OOrth.
9.GF.15LovdariteK2Na6Be4Si14O36 · 9H2OOrth. mm2
9.GF.20GaultiteNa4Zn2Si7O18 · 5H2OOrth. mm2 : Fdd2
9.GF.25ChiavenniteCaMnBe2Si5O13(OH)2 · 2H2OMon. 2/m : P21/b
9.GF.35MutinaiteNa3Ca4Si85Al11O192 · 60H2OOrth.
9.GF.40TschörtneriteCa4(Ca,Sr,K,Ba)3Cu3[(OH)2|Al3Si3O12]4 · nH2OIso. m3m (4/m 3 2/m) : Fm3m
9.GF.50Thornasite(Na,K)12Th3[Si8O19]4 · 18H2OTrig. 3m : R3m
9.GF.55DirenzoiteNaK6MgCa2(Al13Si47O120) · 36H2OOrth. mmm (2/m 2/m 2/m) : Pmmn

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

77.1.8.1Bellbergite(K,Ba,Sr)2Sr2Ca2(Ca,Na)4[Al3Si3O12]6 · 30H2OHex.

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 TschernichiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Smith, J.V., Pluth, J.J., Boggs, R.C., Howard, D.G. (1991) Tschernichite, the mineral analogue of zeolite beta. Journal of the Chemical Society, Chemical Communications: 1991: 363-364.
Boggs, R.C., Howard, D.G., Smith, J.V., Klein, G.L. (1993) Tschernichite, a new zeolite from Goble, Columbia County, Oregon. American Mineralogist: 78: 822-826.
Galli, E., Quartieri, S., Vezalini, G., Alberti, A. (1995) Boggsite and tschernichite-type zeolites from Mt. Adamson, northern Victoria Land (Antarctica). European Journal of Mineralogy: 7: 1029-1032.
Coombs, D.S., Alberti, A., Armbruster, T., Artioli, G., Colella, C., Galli, E., Grice, J.D., Liebau, F., Mandarino, J.A., Minato, H., Nickel, E.H., Passaglia, E., Peacor, D.R., Quartieri, S., Rinaldi, R., Ross, M., Sheppard, R.A., Tillmanns, E., Vezzalini, G. (1997) Recommended nomenclature for zeolite minerals: report of the Subcommittee on Zeolites of the International Mineralogical Association, Commission on New Minerals and Mineral Names. The Canadian Mineralogist: 35: 1571-1606.
New Minerals (1997), New Minerals 1990-1994.
Mandarino, J.A. (1999) The Zeolite Group. Mineralogical Record: 30: 5-6.
Alberti, A., Cruciani, G., Galli, E., Merlino, S., Millini, R., Quartieri, S., Vezzalini, G., Zanardi, S. (2002) Crystal structure of tetragonal and monoclinic polytypes of tschernichite, the natural counterpart of synthetic zeolite beta. Journal of Physical Chemistry: B 106: 10277-10284.

Internet Links for TschernichiteHide

Localities for TschernichiteHide

ⓘ - 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.
Antarctica
 
  • Eastern Antarctica
    • Victoria Land
American Mineralogist, Volume 83, pages 907–910, 1998; 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
Costa Rica
 
  • San José Province
    • Bajo Chacones
Micro Probe Volume VII Number 7 Spring 1993
    • San José
Dana VIII
Czech Republic
 
  • Ústí Region
    • Děčín (Tetschen)
      • Česká Kamenice
P. Pauliš,L.Hrůzek,O.Janeček,J.Sejkora,R.Malíková,O.Pour and F.Fediuk(2015)-Tschernichite,Garronite-Ca and associated zeolite mineralization from Jehla near Česká Kamenice(Czech Republic).Bulletin miner.-petrolog. odď.National muz. Prag,23,2,2015.
Hungary
 
  • Heves Co.
    • Mátra Mts
      • Markaz
Analyzed by Szakáll-Fehér; collected by Gabor Koller, 2010
New Zealand
 
  • North Island
    • Auckland Region
NZ Zeolite list and locations. Neville Berkahn, New Zealand Micromineral Group, December 2006
Rod Martin personal collection
Poland
 
  • Upper Silesia (Śląskie)
    • Bytom District (Beuthen)
      • Bytom
Kruszewski, Ł. (2018)(?): Geochemical Behavior of Trace Elements in Upper and Lower Silesian Basin Coal-Fire Gob Piles, Poland. Coal and Peat Fires, vol. 5, xx-xx (in review/correction); Ł. Kruszewski EPMA/PXRD data
USA (TL)
 
  • Oregon
    • Columbia Co.
      • Goble
Amer.Min.(1993) 78, 822-826; Micro Probe Vol. 6 No. 5 Fall 1987; Tschernich, R. (1992): Zeolites of the World, 117
Mineral and/or Locality  
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