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Tinsleyite

A valid IMA mineral species
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04810800015659611484520.jpg
Tinsleyite

Cerro Mejillones, Mejillones peninsula, Mejillones, Antofagasta Province, Antofagasta, Chile
04080120015659611498763.jpg
Tinsleyite

Tip Top Mine, Fourmile, Custer Mining District, Custer County, South Dakota, USA
09037240015659611491416.jpg
Tinsleyite, etc.

Bendada, Sabugal, Guarda, Portugal
04446010015557048648421.jpg
Tinsleyite

Cerro Mejillones, Mejillones peninsula, Mejillones, Antofagasta Province, Antofagasta, Chile
08051210015062638123812.jpg
Tinsleyite

Tip Top Mine, Fourmile, Custer Mining District, Custer County, South Dakota, USA
05366390015086766418539.jpg
Tinsleyite, etc.

Bendada, Sabugal, Guarda, Portugal
04810800015659611484520.jpg
Tinsleyite

Cerro Mejillones, Mejillones peninsula, Mejillones, Antofagasta Province, Antofagasta, Chile
04080120015659611498763.jpg
Tinsleyite

Tip Top Mine, Fourmile, Custer Mining District, Custer County, South Dakota, USA
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About TinsleyiteHide

Formula:
KAl2(PO4)2(OH) · 2H2O
Colour:
Magenta to light brownish red, colourless
Lustre:
Vitreous
Hardness:
5
Specific Gravity:
2.69
Crystal System:
Monoclinic
Name:
Named in 1984 by P. J. Dunn, Roland C. Rouse, Tom J. Campbell, and Willard L. Roberts in honor of Frank C. Tinsley [July 10, 1916 Lakewood, Colorado, USA - October 25, 1996 Rapid City, South Dakota, USA], for his discovery and preservation of rare and unusual mineral specimens from the Tip Top pegmatite and other South Dakota localities.
Leucophosphite Group.

The Al analogue of leucophosphite. The K analogue of ammoniotinsleyite.


Unique IdentifiersHide

Mindat ID:
3969
Long-form identifier:
mindat:1:1:3969:3
GUID
(UUID V4):
7e9bb016-831c-413b-bc62-a5da19ba7eb3

IMA Classification of TinsleyiteHide

Classification of TinsleyiteHide

Strunz-mindat (2024):
8.DH.10

8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
H : With large and medium-sized cations, (OH, etc.):RO4 < 1:1
Dana 8th ed.:
42.11.6.2

42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
11 : (AB)3(XO4)2Zq·xH2O
Hey's CIM Ref.:
19.8.6

19 : Phosphates
8 : Phosphates of Al and other metals

Mineral SymbolsHide

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

SymbolSourceReference
TinIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of TinsleyiteHide

Lustre:
Vitreous
Transparency:
Translucent
Colour:
Magenta to light brownish red, colourless
Comment:
Trivalent manganese
Streak:
Pink
Hardness:
5 on Mohs scale
Tenacity:
Brittle
Density:
2.69(5) g/cm3 (Measured)    2.62 g/cm3 (Calculated)

Optical Data of TinsleyiteHide

Type:
Biaxial (+)
RI values:
nα = 1.591(3) nβ = 1.597(3) nγ = 1.604(3)
2V:
Measured: 86° , Calculated: 86°
Max Birefringence:
δ = 0.013
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
r > v distinct
Optical Extinction:
X = b.
Pleochroism:
Strong
Comments:
X = pale orange brown, Y = light purple, and Z = dark purplish red.
Comments:
Absorption: Z > Y > X.

Chemistry of TinsleyiteHide

Mindat Formula:
KAl2(PO4)2(OH) · 2H2O
Elements listed:
Al, H, K, O, P - search for minerals with similar chemistry

Crystallography of TinsleyiteHide

Crystal System:
Monoclinic
Cell Parameters:
a = 9.602(8) Å, b = 9.532(6) Å, c = 9.543(11) Å
β = 103.16(6)°
Ratio:
a:b:c = 1.007 : 1 : 1.001
Unit Cell V:
850.50 ų (Calculated from Unit Cell)
Z:
4
Comment:
Point Group: 2/m or m.; Space Group: P2/n or Pn.

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0015845TinsleyiteDick S (1999) Uber die struktur von synthetischem tinsleyit K[Al2(PO4)2(OH)(H2O)]*(H2O) Zeitschrift fur Naturforschung B54 1385-13901999synthetic0293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
6.68 Å(100)
5.91 Å(80)
3.006 Å(70)
2.616 Å(60b)
4.157 Å(50)
3.723 Å(50)
2.836 Å(50)

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Near-surface Processes
21 : Chemically precipitated carbonate, phosphate, iron formations
High-𝑇 alteration and/or metamorphism
31 : Thermally altered carbonate, phosphate, and iron formations
Stage 10a: Neoproterozoic oxygenation/terrestrial biosphere<0.6
52 : Guano- and urine-derived minerals<0.4
53 : Other minerals with taphonomic origins<0.4

Type Occurrence of TinsleyiteHide

Type Locality:
ⓘ Tip Top Mine, Fourmile, Custer Mining District, Custer County, South Dakota, USA
General Appearance of Type Material:
Thin, magenta-red layers on common Fe-rich leucophosphite.
Place of Conservation of Type Material:
National Museum of Natural History, Washington, D.C., USA, no. 159882.
Geological Setting of Type Material:
Pegmatite.
Associated Minerals at Type Locality:
TriphyliteTavoriteRockbridgeiteRobertsiteLeucophosphite
Carbonate-rich Apatite
Reference:
Dunn, P.J., Rouse, R.C., Campbell, T.J., Roberts, W.L. (1984) Tinsleyite, the aluminum analogue of leucophosphite, from the Tip Top pegmatite in South Dakota. American Mineralogist: 69: 374-376.
Download:
https://rruff.info/rruff_1.0/uploads/AM69_374.pdf

Synonyms of TinsleyiteHide

Other Language Names for TinsleyiteHide

Relationship of Tinsleyite to other SpeciesHide

Member of:
Leucophosphite Group
Other Members of this group:
Ammoniotinsleyite(NH4)Al2(PO4)2(OH) · 2H2OMon. 2/m : P21/m
LeucophosphiteKFe3+2(PO4)2(OH) · 2H2OMon. 2/m : P21/b
Spheniscidite(NH4,K)(Fe3+,Al)2(PO4)2(OH) · 2H2OMon. 2/m

Common AssociatesHide

Associated Minerals Based on Photo Data:
7 photos of Tinsleyite associated with StrengiteFePO4 · 2H2O
5 photos of Tinsleyite associated with RobertsiteCa2Mn3+3(PO4)3O2 · 3H2O
4 photos of Tinsleyite associated with LeucophosphiteKFe3+2(PO4)2(OH) · 2H2O
4 photos of Tinsleyite associated with CollinsiteCa2Mg(PO4)2 · 2H2O
3 photos of Tinsleyite associated with Meurigite-NaNaFe3+8(PO4)6(OH)7 · 6.5H2O
2 photos of Tinsleyite associated with LaueiteMn2+Fe3+2(PO4)2(OH)2 · 8H2O
2 photos of Tinsleyite associated with PhosphosideriteFePO4 · 2H2O
1 photo of Tinsleyite associated with WhitmoreiteFe2+Fe3+2(PO4)2(OH)2 · 4H2O
1 photo of Tinsleyite associated with BermaniteMn2+Mn3+2(PO4)2(OH)2 · 4H2O
1 photo of Tinsleyite associated with HureauliteMn2+5(PO3OH)2(PO4)2 · 4H2O

Related Minerals - Strunz-mindat GroupingHide

8.DH.FerroberauniteFe2+Fe3+5(PO4)4(OH)5 · 6H2OMon. 2/m : B2/b
8.DH.Rowleyite[Na(NH4,K)9Cl4][V5+,4+2(P,As)O8]6 · n[H2O,Na,NH4,K,Cl]Iso.
8.DH.Ammoniotinsleyite(NH4)Al2(PO4)2(OH) · 2H2OMon. 2/m : P21/m
8.DH.Thebaite-(NH4)(NH4)3Al(C2O4)(PO3OH)2(H2O)Mon. 2/m : P21/b
8.DH.Dendoraite-(NH4)(NH4)2NaAl(C2O4)(PO3OH)2(H2O)2Mon. 2/m
8.DH.Whiteite-(MnMnMn)Mn2+Mn2+Mn2+2Al2(PO4)4(OH)2 · 8H2OMon. 2/m : P2/b
8.DH.Whiteite-(CaMnFe)CaMnFe2Al2(PO4)4(OH)2 · 8H2OMon. 2/m
8.DH.HochleitneriteMn2Ti3(PO4)4O2(H2O)2 · 14H2OOrth. mmm (2/m 2/m 2/m) : Pbca
8.DH.RegeriteKFe6(PO4)4(OH)7(H2O)6 · 4H2OMon. 2/m : P21/b
8.DH.05MinyuliteKAl2(PO4)2F · 4H2OOrth. mm2 : Pba2
8.DH.10LeucophosphiteKFe3+2(PO4)2(OH) · 2H2OMon. 2/m : P21/b
8.DH.10Spheniscidite(NH4,K)(Fe3+,Al)2(PO4)2(OH) · 2H2OMon. 2/m
8.DH.15Jahnsite-(CaMnFe){Ca}{Mn2+}{Fe2+2}{Fe3+2}(PO4)4(OH)2 · 8H2OMon. 2/m : P2/b
8.DH.15Jahnsite-(CaMnMg){Ca}{Mn2+}{(Mg,Fe2+)2}{Fe3+2}(PO4)4(OH)2 · 8H2OMon. 2/m : P2/b
8.DH.15Jahnsite-(CaMnMn){Ca}{Mn2+}{Mn2+2}{Fe3+2}(PO4)4(OH)2 · 8H2OMon. 2/m : P2/b
8.DH.15KeckiteCaMn2+(Fe3+Mn2+)Fe3+2(PO4)4(OH)3 · 7H2OMon. 2/m : P2/b
8.DH.15Rittmannite{(Mn2+,Ca)}{Mn2+}{(Fe2+,Mn2+,Mg)2}{(Al,Fe3+)2}(PO4)4(OH)2 · 8H2OMon. 2/m : P2/b
8.DH.15Whiteite-(CaFeMg){Ca}{(Fe2+,Mn2+)}{Mg2}{Al2}(PO4)4(OH)2 · 8H2OMon. 2/m : P21/b
8.DH.15Whiteite-(CaMnMg){Ca}{Mn2+}{Mg2}{Al2}(PO4)4(OH)2 · 8H2OMon. 2/m
8.DH.15Whiteite-(MnFeMg){(Mn2+,Ca)}{(Fe2+,Mn2+)}{Mg2}{Al2}(PO4)4(OH)2 · 8H2OMon. 2/m : P21/b
8.DH.15Jahnsite-(MnMnMn){Mn2+}{Mn2+}{Mn2+2}{Fe3+2}(PO4)4(OH)2 · 8H2OMon. 2/m : P21/b
8.DH.15Kaluginite(Mn2+,Ca)MgFe3+(PO4)2(OH) · 4H2OOrth.
8.DH.15Jahnsite-(CaFeFe){Ca}{Fe2+}{Fe2+2}{Fe3+2}(PO4)4(OH)2 · 8H2OMon.
8.DH.15Jahnsite-(NaFeMg)NaFe3+Mg2Fe3+2(PO4)4(OH)2 · 8H2OMon. 2/m : P2/b
8.DH.15Jahnsite-(NaMnMg){(Na,Ca)}{(Mn2+,Fe3+)}{(Mg,Fe3+)2}{Fe3+2}(PO4)4(OH)2 · 8H2OMon. 2/m : P2/b
8.DH.15Jahnsite-(CaMgMg){Ca}{Mg}{Mg2}{Fe3+2}(PO4)4(OH)2 · 8H2O
8.DH.15Whiteite-(CaMnMn){Ca}{Mn2+}{Mn2}{Al2}(PO4)4(OH)2 · 8H2OMon. 2/m : P2/b
8.DH.15Whiteite-(MnMnMg)MnMnMg2Al2(PO4)4(OH)2 · 8H2OMon. 2/m : P2/b
8.DH.15Jahnsite-(MnMnMg)Mn2+Mn2+Mg2Fe3+2(PO4)4(OH)2 · 8H2OMon. 2/m : P2/b
8.DH.15Jahnsite-(CaFeMg)CaFe2+Mg2Fe3+2(PO4)4(OH)2 · 8H2OMon. 2/m : P2/b
8.DH.15Jahnsite-(MnMnFe)Mn2+Mn2+Fe2+2Fe3+2(PO4)4(OH)2 · 8H2OMon. 2/m : P2/b
8.DH.15Whiteite-(CaMgMg)CaMg3Al2(PO4)4(OH)2 · 8H2OMon. 2/m : P2/b
8.DH.15Jahnsite-(MnMnZn)Mn2+Mn2+Zn2Fe3+2(PO4)4(OH)2 · 8H2OMon. 2/m : P2/b
8.DH.15Jahnsite-(NaMnMn)NaMn2+(Mn2+Fe3+)Σ2Fe3+2(PO4)4(OH)2 · 8H2OMon. 2/m : P2/b
8.DH.15Jahnsite-(CaMnZn)CaMn2+Zn2Fe3+2(PO4)4(OH)2 · 8H2OMon. 2/m : P2/b
8.DH.20Lun'okite(Mn,Ca)(Mg,Fe,Mn)Al(PO4)2OH · 4H2OOrth. mmm (2/m 2/m 2/m) : Pbca
8.DH.20Manganosegelerite(Mn2+,Ca)(Mn2+,Fe2+,Mg)Fe3+(PO4)2(OH) · 4H2OOrth. mmm (2/m 2/m 2/m) : Pbca
8.DH.20OveriteCaMgAl(PO4)2(OH) · 4H2OOrth. mmm (2/m 2/m 2/m) : Pbca
8.DH.20SegeleriteCa2 Mg2 Fe3+2(PO4)4(OH)2 · 8H2OOrth. mmm (2/m 2/m 2/m) : Pcca
8.DH.20WilhelmvierlingiteCaMnFe3+(PO4)2(OH) · 2H2OOrth. mmm (2/m 2/m 2/m) : Pbca
8.DH.20JuonniiteCaMgSc(PO4)2(OH) · 4H2OOrth. mmm (2/m 2/m 2/m) : Pbca
8.DH.25CalcioferriteCa2Fe3+2(PO4)3(OH) · 7H2OMon. 2/m : B2/b
8.DH.25KingsmountiteCa3MnFeAl4(PO4)6(OH)4 · 12H2OTric. 1 : P1
8.DH.25MontgomeryiteCa4MgAl4(PO4)6(OH)4 · 12H2OMon. 2 : B2
8.DH.25ZodaciteCa4Mn2+Fe3+4(PO4)6(OH)4 · 12H2OMon.
8.DH.25FanfaniiteCa4MnAl4(PO4)6(OH)4 · 12H2OMon. 2/m : B2/b
8.DH.30ArseniosideriteCa2Fe3+3(AsO4)3O2 · 3H2OMon. 2/m : B2/b
8.DH.30KolfaniteCa2Fe3+3O2(AsO4)3 · 2H2OMon.
8.DH.30MitridatiteCa2Fe3+3(PO4)3O2 · 3H2OMon. 2/m : B2/b
8.DH.30PararobertsiteCa2Mn3+3(PO4)3O2 · 3H2OMon. 2/m : P21/b
8.DH.30RobertsiteCa2Mn3+3(PO4)3O2 · 3H2OMon. m : Bb
8.DH.30Sailaufite(Ca,Na,◻)2Mn3+3(AsO4)2(CO3)O2 · 3H2OMon. m : Bm
8.DH.35MantienneiteKMg2Al2Ti(PO4)4(OH)3 · 15H2OOrth. mmm (2/m 2/m 2/m) : Pbca
8.DH.35PaulkerriteK(Mg,Mn2+)2(Fe3+,Al,Ti,Mg)2Ti(PO4)4(OH)3 · 15H2OMon. m
8.DH.35Benyacarite(H2O)2Mn2Ti2Fe3+(PO4)4(OF)(H2O)10 · 4H2OOrth. mmm (2/m 2/m 2/m) : Pbca
8.DH.35Hydroxylbenyacarite(H2O)2Mn2(Ti2Fe)(PO4)4[O(OH)](H2O)10 · 4H2O Orth. mmm (2/m 2/m 2/m) : Pbca
8.DH.35MacraeiteK(H2O)Mn2(Fe2Ti)(PO4)4[O(OH)](H2O)10 · 4H2OMon. 2/m : P21/b
8.DH.40XanthoxeniteCa4Fe3+2(PO4)4(OH)2 · 3H2OTric. 1 : P1
8.DH.45MahnertiteNaCu3(AsO4)2Cl · 5H2OTet. 4/mmm (4/m 2/m 2/m) : I4/mmm
8.DH.50AndyrobertsiteKCdCu5(AsO4)4(H2AsO4) · 2H2OMon. 2/m : P21/m
8.DH.50CalcioandyrobertsiteKCaCu5(AsO4)4(H2AsO4) · 2H2OMon. 2/m : P21/m
8.DH.55EnglishiteK3Na2Ca10Al15(PO4)21(OH)7 · 26H2OMon. 2/m
8.DH.60BouazzeriteBi6(Mg,Co)11Fe3+14(AsO4)18(OH)4O12 · 86H2OMon. 2/m
8.DH.65GalliskiiteCa4Al2(PO4)2F8 · 5H2OTric. 1 : P1
8.DH.70JoteiteCa2CuAl(AsO4)[AsO3(OH)]2(OH)2 · 5H2OTric. 1 : P1
8.DH.75KampeliteBa6Mg3Sc8(PO4)12(OH)6 · 7H2OOrth. mmm (2/m 2/m 2/m) : Pnma
8.DH.80KapundaiteNaCaFe4(PO4)4(OH)3 · 5H2OTric. 1 : P1
8.DH.85VaniniiteCa2Mn2+3Mn3+2O2(AsO4)4 · 2H2OMon. 2/m : P21/b

Fluorescence of TinsleyiteHide

In UV light:
Not fluorescent

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.

Internet Links for TinsleyiteHide

References for TinsleyiteHide

Localities for TinsleyiteHide

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

- 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.
Australia
 
  • South Australia
    • Mt Lofty Ranges
      • North Mt Lofty Ranges
        • Kapunda
Vince Peisley
V. Peisley & P. Elliott in prep
Brazil
 
  • Minas Gerais
Am.Min. (2001)
Chile
 
  • Antofagasta
    • Antofagasta Province
      • Mejillones
        • Mejillones peninsula
XRD and SEM-EDS by Igor V. Pekov
Joy Desor (PXRD and SEM-EDS analysis)
Honduras
 
  • Olancho Department
    • Lepaguare District
Mattioli et al. (2014)
Namibia
 
  • Erongo Region
    • Omaruru Constituency
      • Etemba Farm 135
K.Walenta (2002) +1 other reference
Portugal
 
  • Guarda
    • Sabugal
      • Bendada
Schnorrer-Köhler (1991)
Romania
 
  • Hunedoara County
    • Boșorod
Eur.Journ.Min. 14:157-164 +1 other reference
USA
 
  • Nevada
    • Humboldt County
      • Iron Point Mining District
        • Valmy
Silver Coin Mine. Compact Disc. Paul ...
  • South Dakota
    • Custer County
      • Custer Mining District
        • Fourmile
Dunn et al. (1984)
        • Pringle
          • Cicero Peak
Smith et al. (2000)
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