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Whiteite-(CaMnMg)

A valid IMA mineral species
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02916340014966649358096.jpg
Whiteite-(CaMnMg), etc.

Tip Top Mine, Fourmile, Custer Mining District, Custer County, South Dakota, USA
00823770016358689095916.jpg
Whiteite-(CaMnMg)

Jenipapo district, Itinga, Minas Gerais, Brazil
08449520015930660278569.jpg
Whiteite-(CaMnMg)

Palermo No. 2 mine, Groton, Grafton County, New Hampshire, USA
05862290014951563399737.jpg
Whiteite-(CaMnMg), etc.

Tip Top Mine, Fourmile, Custer Mining District, Custer County, South Dakota, USA
01723840015836842502741.jpg
Whiteite-(CaMnMg)

Jenipapo district, Itinga, Minas Gerais, Brazil
04332970015497471098935.jpg
Whiteite-(CaMnMg)

Palermo No. 2 mine, Groton, Grafton County, New Hampshire, USA
02916340014966649358096.jpg
Whiteite-(CaMnMg), etc.

Tip Top Mine, Fourmile, Custer Mining District, Custer County, South Dakota, USA
00823770016358689095916.jpg
Whiteite-(CaMnMg)

Jenipapo district, Itinga, Minas Gerais, Brazil
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About Whiteite-(CaMnMg)Hide

03160110014946339009843.jpg
John S. White
Formula:
{Ca}{Mn2+}{Mg2}{Al2}(PO4)4(OH)2 · 8H2O
Colour:
Yellow, light lavender, pink
Lustre:
Waxy
Hardness:
3½
Specific Gravity:
2.63
Crystal System:
Monoclinic
Name:
Named for the chemical composition, in accordance with whiteite-group nomenclature. The suffix indicates sequentially the dominant cation in the X, M1, and M2 structural positions. The root name is for John Sampson White, Jr., associate curator of minerals, Smithsonian institution; founder, editor and publisher (1970-1982) of the Mineralogical Record.
Whiteite Subgroup.


Unique IdentifiersHide

Mindat ID:
4278
Long-form identifier:
mindat:1:1:4278:5
GUID
(UUID V4):
f403714f-3d8b-4a1c-a084-ac3203fcf5e2

IMA Classification of Whiteite-(CaMnMg)Hide

Classification of Whiteite-(CaMnMg)Hide

Strunz-mindat (2023):
8.DH.15

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.:
42.11.3.3

42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
11 : (AB)3(XO4)2Zq·xH2O
Hey's CIM Ref.:
19.12.61

19 : Phosphates
12 : Phosphates of Mn

Mineral SymbolsHide

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

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

Physical Properties of Whiteite-(CaMnMg)Hide

Lustre:
Waxy
Transparency:
Transparent
Colour:
Yellow, light lavender, pink
Streak:
White
Hardness:
3½ on Mohs scale
Tenacity:
Brittle
Cleavage:
Poor/Indistinct
On (001)
Density:
2.63(2) g/cm3 (Measured)    2.64 g/cm3 (Calculated)

Optical Data of Whiteite-(CaMnMg)Hide

Type:
Biaxial (+)
RI values:
nα = 1.580 nβ = 1.584 nγ = 1.591
2V:
Measured: 74° to 81°, Calculated: 76°
Max Birefringence:
δ = 0.011
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
none
Pleochroism:
Weak
Comments:
X = mauve, Y = light mauve, Z = colorless

Chemistry of Whiteite-(CaMnMg)Hide

Mindat Formula:
{Ca}{Mn2+}{Mg2}{Al2}(PO4)4(OH)2 · 8H2O
Elements listed:
Al, Ca, H, Mg, Mn, O, P - search for minerals with similar chemistry

Crystallography of Whiteite-(CaMnMg)Hide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Cell Parameters:
a = 14.842(9) Å, b = 6.976(1) Å, c = 10.109(4) Å
β = 112.59(5)°
Ratio:
a:b:c = 2.128 : 1 : 1.449
Unit Cell V:
966.36 ų (Calculated from Unit Cell)
Z:
2
Comment:
Space group P2/a or Pa.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
9.31 Å(100)
2.790 Å(80)
4.85 Å(50)
3.51 Å(50)
2.953 Å(50)
3.256 Å(40)
2.867 Å(40)

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 4b: Highly evolved igneous rocks>3.0
34 : Complex granite pegmatites

Type Occurrence of Whiteite-(CaMnMg)Hide

Type Locality:
ⓘ Tip Top Mine, Fourmile, Custer Mining District, Custer County, South Dakota, USA
General Appearance of Type Material:
Dull or etched, yellowish bipyramidal crystals or blebs up to 1.5x0.5x0.5 mm.
Place of Conservation of Type Material:
Canadian Museum of Nature, Ottawa, Canada, 49707, 49712.
National Museum of Natural History (Smithsonian), Washington, D.C., USA, 15085, 163775, R18801.
Geological Setting of Type Material:
Complex granite pegmatite
Associated Minerals at Type Locality:
TiptopiteRoscheriteEnglishiteBerylBeryl
Reference:
Grice, J.D., Dunn, P.J., Ramik, R.A. (1989) Whiteite-(CaMnMg), a new mineral species from the Tip Top pegmatite, Custer, South Dakota. The Canadian Mineralogist: 27: 699-702.
Download:
https://rruff.info/rruff_1.0/uploads/CM27_699.pdf

Synonyms of Whiteite-(CaMnMg)Hide

Other Language Names for Whiteite-(CaMnMg)Hide

Relationship of Whiteite-(CaMnMg) to other SpeciesHide

Member of:
Whiteite Subgroup > Jahnsite Group
Other Members of this group:
Rittmannite{(Mn2+,Ca)}{Mn2+}{(Fe2+,Mn2+,Mg)2}{(Al,Fe3+)2}(PO4)4(OH)2 · 8H2OMon. 2/m : P2/b
Whiteite-(CaFeMg){Ca}{(Fe2+,Mn2+)}{Mg2}{Al2}(PO4)4(OH)2 · 8H2OMon. 2/m : P21/b
Whiteite-(CaMgMg)CaMg3Al2(PO4)4(OH)2 · 8H2OMon. 2/m : P2/b
Whiteite-(CaMnFe)CaMnFe2Al2(PO4)4(OH)2 · 8H2OMon. 2/m
Whiteite-(CaMnMn){Ca}{Mn2+}{Mn2}{Al2}(PO4)4(OH)2 · 8H2OMon. 2/m : P2/b
Whiteite-(MnFeMg){(Mn2+,Ca)}{(Fe2+,Mn2+)}{Mg2}{Al2}(PO4)4(OH)2 · 8H2OMon. 2/m : P21/b
Whiteite-(MnMnMg)MnMnMg2Al2(PO4)4(OH)2 · 8H2OMon. 2/m : P2/b
Whiteite-(MnMnMn)Mn2+Mn2+Mn2+2Al2(PO4)4(OH)2 · 8H2OMon. 2/m : P2/b

Common AssociatesHide

Associated Minerals Based on Photo Data:
8 photos of Whiteite-(CaMnMg) associated with RoscheriteCa2Mn2+5Be4(PO4)6(OH)4 · 6H2O
6 photos of Whiteite-(CaMnMg) associated with EnglishiteK3Na2Ca10Al15(PO4)21(OH)7 · 26H2O
5 photos of Whiteite-(CaMnMg) associated with TiptopiteK2(Na,Ca)2Li3Be6(PO4)6(OH)2 · H2O
5 photos of Whiteite-(CaMnMg) associated with MontgomeryiteCa4MgAl4(PO4)6(OH)4 · 12H2O
3 photos of Whiteite-(CaMnMg) associated with BerylBe3Al2(Si6O18)
2 photos of Whiteite-(CaMnMg) associated with HurlbutiteCaBe2(PO4)2
1 photo of Whiteite-(CaMnMg) associated with EosphoriteMn2+Al(PO4)(OH)2 · H2O
1 photo of Whiteite-(CaMnMg) associated with RobertsiteCa2Mn3+3(PO4)3O2 · 3H2O

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.Hydroxylbenyacarite(H2O)2Mn2(Ti2Fe)(PO4)4[O(OH)](H2O)10 · 4H2O Orth. mmm (2/m 2/m 2/m) : Pbca
8.DH.MacraeiteK(H2O)Mn2(Fe2Ti)(PO4)4[O(OH)](H2O)10 · 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.10TinsleyiteKAl2(PO4)2(OH) · 2H2OMon.
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-(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.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 Whiteite-(CaMnMg)Hide

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 Whiteite-(CaMnMg)Hide

References for Whiteite-(CaMnMg)Hide

Localities for Whiteite-(CaMnMg)Hide

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.
Austria
 
  • Carinthia
    • Spittal an der Drau District
      • Millstatt lake
G. Niedermayr: Carinthia II 187./107.:176 (1997)
Brazil
 
  • Minas Gerais
    • Galiléia
      • Sapucaia do Norte
Baijot, M., Hatert, F., Philippo, S. (2012) Mineralogy and geochemistry of phosphates and silicates in the Sapucaia pegmatite, Minas Gerais, Brazil: Genetic implications. The Canadian Mineralogist, 50 (6) 1531-1554 doi:10.3749/canmin.50.6.1531
    • Itinga
Sergio Varvello collection
Namibia
 
  • Erongo Region
    • Dâures Constituency
von Bezing, Ludi (2007) Namibia - Minerals and Localities. Bode Verlag GmbH, Haltern.p.409
Witzke, Thomas (2023) Personal Communication.
Spain
 
  • Castile and Leon
    • Salamanca
      • Garcirrey
Calvo Rebollar, Miguel and Rewitzer, Christian (2022). Atlas de minerales de España. Atlas of Spanish minerals. Prames, Zaragoza. 384 págs.
USA
 
  • New Hampshire
    • Grafton County
      • Groton
Whitmore, Robert W., Lawrence, Robert C. Jr. (2004) The Pegmatite Mines known as Palermo. Friends of Palermo Mines, North Groton, NH.
NIZAMOFF, James W., SIMMONS, William B., and FALSTER, Alexander U. (2004) PHOSPHATE MINERALOGY AND PARAGENESIS OF THE PALERMO #2 PEGMATITE, NORTH GROTON, NEW HAMPSHIRE Geological Society of America Abstracts with Programs, Vol. 36, No. 5, p. 115
Journal of Pegmatology vol. 1, no. 1
Geological Society of America Abstracts with Programs, Vol. 36, No. 5, p. 115
NIZAMOFF, J. W. (2004, November). Phosphate mineralogy and paragenesis of the Palermo# 2 pegmatite, North Groton, New Hampshire. In 2004 Denver Annual Meeting.
  • North Carolina
    • Cleveland County
      • Kings Mountain
A. Kampf 2-2018
  • South Dakota
    • Custer County
      • Custer Mining District
        • Fourmile
Grice, J. D., Dunn, P. J., Ramik, R. A. (1989) Whiteite-(CaMnMg), a new species from the Tip Top Pegmatite, Custer, South Dakota. The Canadian Mineralogist, 27 (4) 699-702
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