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Ammonioleucite

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Formula:
(NH4,K)(AlSi2O6)
System:
Tetragonal
Colour:
White
Lustre:
Vitreous, Resinous
Hardness:
5½ - 6
Member of:
Name:
For the chemical composition and the relationship with leucite.
Replacement of analcime crystals.


Classification of Ammonioleucite

Approved
9.GB.05

9 : SILICATES (Germanates)
G : Tektosilicates with zeolitic H2O; zeolite family
B : Chains of single connected 4-membered rings
76.2.2.2

76 : TECTOSILICATES Al-Si Framework
2 : Al-Si Framework Feldspathoids and related species
16.5.4

16 : Silicates Containing Aluminum and other Metals
5 : Aluminosilicates of Cs, NH4 and Cu

Physical Properties of Ammonioleucite

Vitreous, Resinous
Diaphaneity (Transparency):
Translucent
Colour:
White
Hardness (Mohs):
5½ - 6
Density:
2.29 g/cm3 (Measured)    2.24 g/cm3 (Calculated)

Optical Data of Ammonioleucite

Type:
Uniaxial (+)
RI values:
nω = 1.518 nε = 1.518
Max Birefringence:
δ = 0.000
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Low

Chemical Properties of Ammonioleucite

Formula:
(NH4,K)(AlSi2O6)
IMA Formula:
(NH4)AlSi2O6
Elements listed in formula:

Crystallography of Ammonioleucite

Crystal System:
Tetragonal
Cell Parameters:
a = 13.21 Å, c = 13.71 Å
Ratio:
a:c = 1 : 1.038
Unit Cell Volume:
V 2,392.45 ų (Calculated from Unit Cell)
Morphology:
As minute aggregates replacing analcime crystals.
Twinning:
Common, repeated on {110}.

Type Occurrence of Ammonioleucite

Place of Conservation of Type Material:
National Science Museum, Tokyo, Japan; National Museum of Natural History, Washington, D.C., USA, 165991.
Geological Setting of Type Material:
In veinlets, fractures, and cavities in hydrothermally altered crystalline schist, as powdery pseudomorphous replacements of analcime crystals.
Associated Minerals at Type Locality:

Relationship of Ammonioleucite to other Species

Member of:
Other Members of Group:
AlflarseniteNaCa2Be3Si4O13(OH) · 2H2O
AmiciteK2Na2Al4Si4O16 · 5H2O
AnalcimeNa(AlSi2O6) · H2O
Barrerite(Na,K,Ca0.5)2[Al2Si7O18] · 7H2O
Bellbergite(K,Ba,Sr)2Sr2Ca2(Ca,Na)4[Al3Si3O12]6 · 30H2O
BikitaiteLiAlSi2O6 · H2O
BoggsiteCa8Na3(Si,Al)96O192 · 70H2O
Brewsterite-Ba(Ba,Sr)[Al2Si6O16] · 5H2O
Brewsterite-Sr(Sr,Ba,Ca)[Al2Si6O16] · 5H2O
Chabazite-Levyne SubgroupA subgroup of the Zeolite Group.
ChiavenniteCaMnBe2Si5O13(OH)2 · 2H2O
ClinoptiloliteNote on the distinguishing differences between clinoptilolite and heulandite (hhttp://rruff.
CowlesiteCaAl2Si3O10 · 6H2O
Dachiardite-Ca(Ca,Na2,K2)5Al10Si38O96 · 25H2O
Dachiardite-KK4(Si20Al4O48)·13H2O
Dachiardite-Na(Na2,Ca,K2)5Al10Si38O96 · 25H2O
DirenzoiteNaK6MgCa2(Al13Si47O120) · 36H2O
EdingtoniteBa[Al2Si3O10] · 4H2O
EpistilbiteCaAl2Si6O16 · 5H2O
ErioniteThis name now refers to a group of related minerals.
Faujasite SubgroupA subgroup of the Zeolite Group.
FerrieriteZeolite Group.
FerrochiavenniteCa1-2Fe[(Si,Al,Be)5Be2O13(OH)2] · 2H2O
Flörkeite(K3Ca2Na)[Al8Si8O32] · 12H2O
Garronite-CaNa2Ca5Al12Si20O64 · 27H2O
GaultiteNa4Zn2Si7O18 · 5H2O
Gismondine-BaBa2Al4Si4O16 · 4-6H2O
Gismondine-CaCaAl2Si2O8 · 4H2O
GmeliniteIn 1997, gmelinite was split into Gmelinite-Ca, Gmelinite-Na and Gmelinite-K.
GobbinsiteNa5(Si11Al5)O32 · 11H2O
GoosecreekiteCa[Al2Si6O16] · 5H2O
GottardiiteNa3Mg3Ca5Al19Si117O272 · 93H2O
Harmotome(Ba0.5,Ca0.5,K,Na)5[Al5Si11O32] · 12H2O
HeulanditeNote on the distinguishing differences between heulandite and clinoptilolite (http://rruff.
HsianghualiteCa3Li2(Be3Si3O12)F2
KirchhoffiteCs(BSi2O6)
LaumontiteCaAl2Si4O12 · 4H2O
LovdariteK2Na6Be4Si14O36 · 9H2O
MaricopaitePb7Ca2(Si,Al)48O100 · 32H2O
Mazzite-Mg(Mg,K,Ca)5(Si26Al10)O72 · 28H2O
Mazzite-NaNa8[Al4Si14O36]2 · 30H2O
Merlinoite(K,Na)5(Ca,Ba)2Al9Si23O64 · 23H2O
Montesommaite(K,Na)9Al9Si23O64 · 10H2O
Mordenite(Na2,Ca,K2)Al2Si10O24 · 7H2O
MutinaiteNa3Ca4Si85Al11O192 · 60H2O
NabesiteNa2BeSi4O10 · 4H2O
Natrolite SubgroupA subgroup of the Zeolite Group.
OffretiteKCaMg(Si13Al5)O36 · 15H2O
PahasapaiteLi8(Ca,Li,K)10.5Be24(PO4)24 · 38H2O
ParthéiteCa2(Si4Al4) O15 (OH)2•4H2O
Paulingite-Ca(Ca,K,Na,Ba,◻)10 (Si, Al)42O84•34H2O
Paulingite-K(K2,Ca,Na2,Ba)5[Al10Si35O90] · 45H2O
Paulingite-Na(Na2,K2,Ca,Ba)5[Al10Si35O90] · 45H2O
PerlialiteK9Na(Ca,Sr)[Al2Si4O12]6 · 15H2O
PhillipsiteZeolite Group.
Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
RoggianiteCa2Be(OH)2Al2Si4O13 · 2.5H2O
StelleriteCa4(Si28Al8)O72 · 28H2O
Stilbite-CaNaCa4[Al9Si27O72] · nH2O
Stilbite-Na(Na,Ca,K)6-7[Al8Si28O72] · nH2O
Terranovaite(Na,Ca)8(Si68Al12)O160 · 29H2O
Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
Thomsonite-SrNa(Sr,Ca)2[Al5Si5O20] · 7H2O
Tschernichite(Ca,Na2)[Al2Si4O12] · 4-8H2O
TschörtneriteCa4(Ca,Sr,K,Ba)3Cu3[(OH)2|Al3Si3O12]4 · nH2O
WairakiteCa(Al2Si4O12) · 2H2O
WeinebeneiteCaBe3(PO4)2(OH)2 · 4H2O
Wenkite(Ba,K)4(Ca,Na)6[(SO4)3|(Si,Al)20O39(OH)2] · 0.5H2O
WillhendersoniteKCa[Al3Si3O12] · 5H2O
YugawaraliteCaAl2Si6O16 · 4H2O
9.GB.05AnalcimeNa(AlSi2O6) · H2O
9.GB.05HsianghualiteCa3Li2(Be3Si3O12)F2
9.GB.05LithositeK6Al4Si8O25 · 2H2O
9.GB.05LeuciteK(AlSi2O6)
9.GB.05Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
9.GB.05WairakiteCa(Al2Si4O12) · 2H2O
9.GB.05KirchhoffiteCs(BSi2O6)
9.GB.10LaumontiteCaAl2Si4O12 · 4H2O
9.GB.15YugawaraliteCaAl2Si6O16 · 4H2O
9.GB.20RoggianiteCa2Be(OH)2Al2Si4O13 · 2.5H2O
9.GB.25GoosecreekiteCa[Al2Si6O16] · 5H2O
9.GB.30Montesommaite(K,Na)9Al9Si23O64 · 10H2O
9.GB.35ParthéiteCa2(Si4Al4) O15 (OH)2•4H2O
16.5.1Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
16.5.2NanpingiteCsAl2(AlSi3O10)(OH,F)2
16.5.3Buddingtonite(NH4)(AlSi3)O8
16.5.5Tobelite(NH4,K)Al2(AlSi3O10)(OH)2
16.5.6Ajoite(K,Na)Cu7AlSi9O24(OH)6 · 3H2O
16.5.7PapagoiteCaCu[H3AlSi2O9]

Other Names for Ammonioleucite

Name in Other Languages:

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.

References for Ammonioleucite

Reference List:
Hori, H., Nagashima, K., Yamada, M., Miyawaki, R., Marubashi, T. (1986) Ammonioleucite, a new mineral from Tatarazawa, Fujioka, Japan. American Mineralogist: 71: 1022-1027.

Mineralogical Record: 30: 5-6.

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.

Yamada, M., Miyawaki, R., Nakai, I., Izumi, F., Nagashima, K. (1998) A Rietveld analysis of the crystal structure of ammonioleucite. Mineralogical Journal: 20: 105-112.

Internet Links for Ammonioleucite

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https://www.mindat.org/min-206.html
Please feel free to link to this page.

Localities for Ammonioleucite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Japan
 
  • Honshu Island
    • Kanto Region
      • Gunma Prefecture
The Mineral Species of Japan (5th ed) Matsubara
American Mineralogist (1986): 71, 1022-1027.
Poland
 
  • Upper Silesia (Śląskie)
    • Upper Silesian Coal Basin
      • Katowice area
Parafiniuk, J. and Kruszewski, Ł. (2009): Ammonium minerals from burning coal-dumps of the Upper Silesian Coal Basin (Poland). Geol. Quart., 53, 341-356. http://www.pgi.gov.pl/images/stories/G_Q/53_3/parafiniuk.pdf]
      • Rybnik Coal Area
        • Radlin
Łukasz Kruszewski (2012) Unique chloride assemblage of exhalative origin from burning coal-mining dump in Radlin (Rybnik Coal Area, S Poland). Mineralogical Society of Poland Special Papers 40
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