Ammonioleucite (original) (raw)

A valid IMA mineral species

About AmmonioleuciteHide

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Lustre:

Vitreous, Resinous

Crystal System:

Tetragonal

Name:

For the chemical composition and the relationship with leucite.

Replacement of analcime crystals.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:206:8

ca06794d-0eba-4cf3-907c-665a7bc24116

IMA Classification of AmmonioleuciteHide

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Type description reference:

Hori, H., Nagashima, K., Yamada, M., Miyawaki, R., Marubashi, T. (1986) Ammonioleucite, a new mineral from Tatarazawa, Fujioka, Japan. American Mineralogist, 71 (7-8) 1022-1027

Classification of AmmonioleuciteHide

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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

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.

Physical Properties of AmmonioleuciteHide

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Density:

2.29 g/cm3 (Measured) 2.24 g/cm3 (Calculated)

Optical Data of AmmonioleuciteHide

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RI values:

_n_ω = 1.518 _n_ε = 1.518

δ = 0.000

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

Chemistry of AmmonioleuciteHide

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Mindat Formula:

(NH4)(AlSi2O6)

Crystallography of AmmonioleuciteHide

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Crystal System:

Tetragonal

Class (H-M):

4/m - Dipyramidal

Cell Parameters:

a = 13.214(1) Å, c = 13.713(2) Å

Unit Cell V:

2,394.42 ų (Calculated from Unit Cell)

Morphology:

As minute aggregates replacing analcime crystals.

Twinning:

Common, repeated on {110}.

Crystal StructureHide

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ID	Species	Reference	Link	Year	Locality	Pressure (GPa)	Temp (K)
0014433	Ammonioleucite	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		1998	0	293

CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

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Powder Diffraction Data:

Geological EnvironmentHide

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Type Occurrence of AmmonioleuciteHide

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General Appearance of Type Material:

As minute aggregates replacing analcime crystals

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:

Reference:

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

Other Language Names for AmmonioleuciteHide

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Relationship of Ammonioleucite to other SpeciesHide

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Other Members of this group:

Common AssociatesHide

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Associated Minerals Based on Photo Data:

Related Minerals - Strunz-mindat GroupingHide

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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.

Internet Links for AmmonioleuciteHide

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References for AmmonioleuciteHide

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Reference List:

Hori, H., Nagashima, K., Yamada, M., Miyawaki, R., Marubashi, T. (1986) Ammonioleucite, a new mineral from Tatarazawa, Fujioka, Japan. American Mineralogist, 71 (7-8) 1022-1027

Coombs, Douglas S., Alberti, Alberto, Armbruster, Thomas, Artioli, Gilberto, Colella, Carmine, Galli, Ermanno, Grice, Joel D., Liebau, Friedrich, Mandarino, Joseph A., Minato, Hideo, Nickel, Ernest H., Passaglia, Elio, Peacor, Donald R., Quartieri, Simona, Rinaldi, Romano, Ross, Malcolm I., Sheppard, Richard A., Tillmanns, Ekkehart, Vezzalini, Giovanna (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 (6) 1571-1606

Localities for AmmonioleuciteHide

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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.