Ammoniotinsleyite
A valid IMA mineral species
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About Ammoniotinsleyite
Formula:
(NH4)Al2(PO4)2(OH) · 2H2O
Colour:
Pink to pale violet
Lustre:
Vitreous
Hardness:
4
Specific Gravity:
2.42
Crystal System:
Monoclinic
Member of:
Name:
Ammoniotinsleyite is named as the ammonium analogue of tinsleyite.
Isostructural with:
Unique combination of elements. The NH4 analogue of tinsleyite. The Al analogue of spheniscidite. Described from a guano deposit.
Unique Identifiers
Mindat ID:
54627
Long-form identifier:
mindat:1:1:54627:0
GUID
(UUID V4):
(UUID V4):
3784e816-9e60-4e71-9737-cc4a5cc769fb
IMA Classification of Ammoniotinsleyite
Classification of Ammoniotinsleyite
8.DH.
8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
H : With large and medium-sized cations, (OH, etc.):RO4 < 1:1
8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
H : With large and medium-sized cations, (OH, etc.):RO4 < 1:1
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 |
---|---|---|
Atin | 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 Ammoniotinsleyite
Vitreous
Transparency:
Transparent, Translucent
Colour:
Pink to pale violet
Streak:
White
Hardness:
4 on Mohs scale
Tenacity:
Brittle
Density:
2.42(2) g/cm3 (Measured) 2.451 g/cm3 (Calculated)
Optical Data of Ammoniotinsleyite
Type:
Biaxial (+)
RI values:
nα = 1.557(2) nβ = 1.559 nγ = 1.563(2)
2V:
Measured: 75° (10)
Max Birefringence:
δ = 0.006
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
Comments:
β is calculated
Chemistry of Ammoniotinsleyite
Mindat Formula:
(NH4)Al2(PO4)2(OH) · 2H2O
Crystallography of Ammoniotinsleyite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/m
Setting:
P21/m
Cell Parameters:
a = 9.5871(1) Å, b = 9.6089(1) Å, c = 9.6467(1) Å
β = 103.4461(8)°
β = 103.4461(8)°
Ratio:
a:b:c = 0.998 : 1 : 1.004
Unit Cell V:
864.31 ų (Calculated from Unit Cell)
Z:
4
Comment:
P21/n
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
7.56 Å | (23) |
6.71 Å | (79) |
5.947 Å | (100) |
4.676 Å | (36) |
3.032 Å | (28) |
2.958 Å | (25) |
2.635 Å | (29) |
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 7: Great Oxidation Event | <2.4 |
47a : [Near-surface hydration of prior minerals] | |
47e : [Vanadates, chromates, manganates] |
Type Occurrence of Ammoniotinsleyite
General Appearance of Type Material:
Globular aggregates, up to 3 mm across, with individual crystals ca. 10 – 15 microns in diameter.
Place of Conservation of Type Material:
Collections of the Fersman Mineralogical Museum, Russian Academy of Sciences, Leninskiy Prospekt 18-2, Moscow 119071, Russia, registration number 5510/1.
Geological Setting of Type Material:
Guano deposit.
Associated Minerals at Type Locality:
Synonyms of Ammoniotinsleyite
Relationship of Ammoniotinsleyite to other Species
Member of:
Other Members of this group:
Leucophosphite | KFe3+2(PO4)2(OH) · 2H2O | Mon. 2/m : P21/b |
Spheniscidite | (NH4,K)(Fe3+,Al)2(PO4)2(OH) · 2H2O | Mon. 2/m |
Tinsleyite | KAl2(PO4)2(OH) · 2H2O | Mon. |
Related Minerals - Strunz-mindat Grouping
8.DH. | Ferroberaunite | Fe2+Fe3+5(PO4)4(OH)5 · 6H2O |
8.DH. | Rowleyite | [Na(NH4,K)9Cl4][V5+,4+2(P,As)O8]6 · n[H2O,Na,NH4,K,Cl] |
8.DH. | Thebaite-(NH4) | (NH4)3Al(C2O4)(PO3OH)2(H2O) |
8.DH. | Dendoraite-(NH4) | (NH4)2NaAl(C2O4)(PO3OH)2(H2O)2 |
8.DH. | Whiteite-(MnMnMn) | Mn2+Mn2+Mn2+2Al2(PO4)4(OH)2 · 8H2O |
8.DH. | Whiteite-(CaMnFe) | CaMnFe2Al2(PO4)4(OH)2 · 8H2O |
8.DH. | Hochleitnerite | Mn2Ti3(PO4)4O2(H2O)2 · 14H2O |
8.DH. | Regerite | KFe6(PO4)4(OH)7(H2O)6 · 4H2O |
8.DH.05 | Minyulite | KAl2(PO4)2F · 4H2O |
8.DH.10 | Leucophosphite | KFe3+2(PO4)2(OH) · 2H2O |
8.DH.10 | Spheniscidite | (NH4,K)(Fe3+,Al)2(PO4)2(OH) · 2H2O |
8.DH.10 | Tinsleyite | KAl2(PO4)2(OH) · 2H2O |
8.DH.15 | Jahnsite-(CaMnFe) | {Ca}{Mn2+}{Fe2+2}{Fe3+2}(PO4)4(OH)2 · 8H2O |
8.DH.15 | Jahnsite-(CaMnMg) | {Ca}{Mn2+}{(Mg,Fe2+)2}{Fe3+2}(PO4)4(OH)2 · 8H2O |
8.DH.15 | Jahnsite-(CaMnMn) | {Ca}{Mn2+}{Mn2+2}{Fe3+2}(PO4)4(OH)2 · 8H2O |
8.DH.15 | Keckite | CaMn2+(Fe3+Mn2+)Fe3+2(PO4)4(OH)3 · 7H2O |
8.DH.15 | Rittmannite | {(Mn2+,Ca)}{Mn2+}{(Fe2+,Mn2+,Mg)2}{(Al,Fe3+)2}(PO4)4(OH)2 · 8H2O |
8.DH.15 | Whiteite-(CaFeMg) | {Ca}{(Fe2+,Mn2+)}{Mg2}{Al2}(PO4)4(OH)2 · 8H2O |
8.DH.15 | Whiteite-(CaMnMg) | {Ca}{Mn2+}{Mg2}{Al2}(PO4)4(OH)2 · 8H2O |
8.DH.15 | Whiteite-(MnFeMg) | {(Mn2+,Ca)}{(Fe2+,Mn2+)}{Mg2}{Al2}(PO4)4(OH)2 · 8H2O |
8.DH.15 | Jahnsite-(MnMnMn) | {Mn2+}{Mn2+}{Mn2+2}{Fe3+2}(PO4)4(OH)2 · 8H2O |
8.DH.15 | Kaluginite | (Mn2+,Ca)MgFe3+(PO4)2(OH) · 4H2O |
8.DH.15 | Jahnsite-(CaFeFe) | {Ca}{Fe2+}{Fe2+2}{Fe3+2}(PO4)4(OH)2 · 8H2O |
8.DH.15 | Jahnsite-(NaFeMg) | NaFe3+Mg2Fe3+2(PO4)4(OH)2 · 8H2O |
8.DH.15 | Jahnsite-(NaMnMg) | {(Na,Ca)}{(Mn2+,Fe3+)}{(Mg,Fe3+)2}{Fe3+2}(PO4)4(OH)2 · 8H2O |
8.DH.15 | Jahnsite-(CaMgMg) | {Ca}{Mg}{Mg2}{Fe3+2}(PO4)4(OH)2 · 8H2O |
8.DH.15 | Whiteite-(CaMnMn) | {Ca}{Mn2+}{Mn2}{Al2}(PO4)4(OH)2 · 8H2O |
8.DH.15 | Whiteite-(MnMnMg) | MnMnMg2Al2(PO4)4(OH)2 · 8H2O |
8.DH.15 | Jahnsite-(MnMnMg) | Mn2+Mn2+Mg2Fe3+2(PO4)4(OH)2 · 8H2O |
8.DH.15 | Jahnsite-(CaFeMg) | CaFe2+Mg2Fe3+2(PO4)4(OH)2 · 8H2O |
8.DH.15 | Jahnsite-(MnMnFe) | Mn2+Mn2+Fe2+2Fe3+2(PO4)4(OH)2 · 8H2O |
8.DH.15 | Whiteite-(CaMgMg) | CaMg3Al2(PO4)4(OH)2 · 8H2O |
8.DH.15 | Jahnsite-(MnMnZn) | Mn2+Mn2+Zn2Fe3+2(PO4)4(OH)2 · 8H2O |
8.DH.15 | Jahnsite-(NaMnMn) | NaMn2+(Mn2+Fe3+)Σ2Fe3+2(PO4)4(OH)2 · 8H2O |
8.DH.15 | Jahnsite-(CaMnZn) | CaMn2+Zn2Fe3+2(PO4)4(OH)2 · 8H2O |
8.DH.20 | Lun'okite | (Mn,Ca)(Mg,Fe,Mn)Al(PO4)2OH · 4H2O |
8.DH.20 | Manganosegelerite | (Mn2+,Ca)(Mn2+,Fe2+,Mg)Fe3+(PO4)2(OH) · 4H2O |
8.DH.20 | Overite | CaMgAl(PO4)2(OH) · 4H2O |
8.DH.20 | Segelerite | Ca2 Mg2 Fe3+2(PO4)4(OH)2 · 8H2O |
8.DH.20 | Wilhelmvierlingite | CaMnFe3+(PO4)2(OH) · 2H2O |
8.DH.20 | Juonniite | CaMgSc(PO4)2(OH) · 4H2O |
8.DH.25 | Calcioferrite | Ca2Fe3+2(PO4)3(OH) · 7H2O |
8.DH.25 | Kingsmountite | Ca3MnFeAl4(PO4)6(OH)4 · 12H2O |
8.DH.25 | Montgomeryite | Ca4MgAl4(PO4)6(OH)4 · 12H2O |
8.DH.25 | Zodacite | Ca4Mn2+Fe3+4(PO4)6(OH)4 · 12H2O |
8.DH.25 | Fanfaniite | Ca4MnAl4(PO4)6(OH)4 · 12H2O |
8.DH.30 | Arseniosiderite | Ca2Fe3+3(AsO4)3O2 · 3H2O |
8.DH.30 | Kolfanite | Ca2Fe3+3O2(AsO4)3 · 2H2O |
8.DH.30 | Mitridatite | Ca2Fe3+3(PO4)3O2 · 3H2O |
8.DH.30 | Pararobertsite | Ca2Mn3+3(PO4)3O2 · 3H2O |
8.DH.30 | Robertsite | Ca2Mn3+3(PO4)3O2 · 3H2O |
8.DH.30 | Sailaufite | (Ca,Na,◻)2Mn3+3(AsO4)2(CO3)O2 · 3H2O |
8.DH.35 | Mantienneite | KMg2Al2Ti(PO4)4(OH)3 · 15H2O |
8.DH.35 | Paulkerrite | K(Mg,Mn2+)2(Fe3+,Al,Ti,Mg)2Ti(PO4)4(OH)3 · 15H2O |
8.DH.35 | Benyacarite | (H2O)2Mn2Ti2Fe3+(PO4)4(OF)(H2O)10 · 4H2O |
8.DH.35 | Hydroxylbenyacarite | (H2O)2Mn2(Ti2Fe)(PO4)4[O(OH)](H2O)10 · 4H2O |
8.DH.35 | Macraeite | K(H2O)Mn2(Fe2Ti)(PO4)4[O(OH)](H2O)10 · 4H2O |
8.DH.40 | Xanthoxenite | Ca4Fe3+2(PO4)4(OH)2 · 3H2O |
8.DH.45 | Mahnertite | NaCu3(AsO4)2Cl · 5H2O |
8.DH.50 | Andyrobertsite | KCdCu5(AsO4)4(H2AsO4) · 2H2O |
8.DH.50 | Calcioandyrobertsite | KCaCu5(AsO4)4(H2AsO4) · 2H2O |
8.DH.55 | Englishite | K3Na2Ca10Al15(PO4)21(OH)7 · 26H2O |
8.DH.60 | Bouazzerite | Bi6(Mg,Co)11Fe3+14(AsO4)18(OH)4O12 · 86H2O |
8.DH.65 | Galliskiite | Ca4Al2(PO4)2F8 · 5H2O |
8.DH.70 | Joteite | Ca2CuAl(AsO4)[AsO3(OH)]2(OH)2 · 5H2O |
8.DH.75 | Kampelite | Ba6Mg3Sc8(PO4)12(OH)6 · 7H2O |
8.DH.80 | Kapundaite | NaCaFe4(PO4)4(OH)3 · 5H2O |
8.DH.85 | Vaniniite | Ca2Mn2+3Mn3+2O2(AsO4)4 · 2H2O |
Other Information
IR Spectrum:
confirms the presence of NH4+, PO43–, and H2O
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 Ammoniotinsleyite
mindat.org URL:
https://www.mindat.org/min-54627.html
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References for Ammoniotinsleyite
Reference List:
Miyawaki, Ritsuro, Hatert, Frédéric, Pasero, Marco, Mills, Stuart J. (2020) New mineral proposals approved in April 2020, CNMNC Newsletter 55. Mineralogical Magazine, 84 (3) 485-488 doi:10.1180/mgm.2020.39
Chukanov, Nikita V., Möhn, Gerhard, Pekov, Igor V., Zubkova, Natalia V., Ksenofontov, Dmitry A., Belakovskiy, Dmitry I., Vozchikova, Svetlana A., Britvin, Sergey N., Desor, Joy (2020) Ammoniotinsleyite, (NH4)Al2(PO4)2(OH)⋅2H2O, a new mineral species from the guano deposit at Pabellón de Pica, Iquique Province, Chile. Mineralogical Magazine, 84 (5) 705-711 doi:10.1180/mgm.2020.45
Localities for Ammoniotinsleyite
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).
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.
All localities listed without proper references should be considered as questionable.
Chile (TL) | |
| Chukanov et al. (2020) |
- (2020, April 17th) |
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Pabellón de Pica, Chanabaya, Iquique Province, Tarapacá, Chile