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Phosphammite

A valid IMA mineral species - grandfathered
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The related, dihydrogen compound, is known asbiphosphammite.


Unique Identifiers

Classification of Phosphammite

8 : PHOSPHATES, ARSENATES, VANADATES
A : Phosphates, etc. without additional anions, without H2O
D : With only large cations

Dana 7th ed.:
37.1.3.1
Dana 8th ed.:
37.1.3.1

37 : ANHYDROUS ACID PHOSPHATES, ARSENATES AND VANADATES
1 : Miscellaneous
Hey's CIM Ref.:
19.1.9

19 : Phosphates
1 : Phosphates of the alkali metals

Mineral Symbols
Transparency:
Translucent
Comment:
Due to fine-grained mineral.
Colour:
White
Streak:
White
Hardness:
1 onMohs scale
Comment:
Due to fine-grained mineral.
Tenacity:
Brittle
Fracture:
Irregular/Uneven
Density:
1.62 g/cm3 (Measured)    1.61 g/cm3 (Calculated)

Optical Data of Phosphammite
Surface Relief:
Moderate
Dispersion:
none

Chemistry of Phosphammite

Crystallography of Phosphammite
Place of Conservation of Type Material:
Western Australian Museum, Perth, Australia (neotype)
Geological Setting of Type Material:
Guano deposit

Synonyms of Phosphammite

Other Language Names for Phosphammite

Related Minerals -Strunz-mindat GroupingMon. 2/m :P21/m8.AD.KepleriteCa9(Ca0.5◻0.5)Mg(PO4)7Trig. 3m :R3c8.AD.MazoriteBa3(PO4)2Trig.3m(32/m) :R3m8.AD.DeynekoiteCa9◻Fe3+(PO4)7Trig. 3m :R3c8.AD.Monazite-(Gd)Gd(PO4)Mon.8.AD.05NahpoiteNa2(PO3OH)Mon. 2/m :P21/m8.AD.10WeiliteCa(HAsO4)Tric.1 :P18.AD.10ŠvenekiteCa(H2AsO4)2Tric.1 :P18.AD.10MonetiteCa(PO3OH)Tric.18.AD.15Archerite(K,NH4)(H2PO4)Tet.42m :I42d8.AD.15BiphosphammiteNH4(H2PO4)Tet. 422 :I41228.AD.25BuchwalditeNaCa(PO4)Orth.mm2 :Pmn218.AD.30SchultenitePb(HAsO4)Mon. 2/m :P2/b8.AD.35DreyeriteBi(VO4)Tet. 4/mmm(4/m2/m2/m) :I41/amd8.AD.35Wakefieldite-(La)La(VO4)Tet. 4/mmm(4/m2/m2/m) :I41/amd8.AD.35Anningite-(Ce)(Ca0.5Ce4+0.5)(VO4)Tet. 4/mmm(4/m2/m2/m) :I41/amd8.AD.35PretuliteSc(PO4)Tet. 4/mmm(4/m2/m2/m) :I41/amd8.AD.35Wakefieldite-(Ce)Ce(VO4)Tet. 4/mmm(4/m2/m2/m) :I41/amd8.AD.35Wakefieldite-(Y)Y(VO4)Tet. 4/mmm(4/m2/m2/m) :I41/amd8.AD.35Xenotime-(Yb)Yb(PO4)Tet. 4/mmm(4/m2/m2/m) :I41/amd8.AD.35Chernovite-(Ce)(Ce,Y)(AsO4)Tet.8.AD.35Xenotime-(Gd)Gd(PO4)Tet. 4/mmm(4/m2/m2/m) :I41/amd8.AD.35Chernovite-(Y)Y(AsO4)Tet. 4/mmm(4/m2/m2/m) :I41/amd8.AD.35Xenotime-(Y)Y(PO4)Tet. 4/mmm(4/m2/m2/m) :I41/amd8.AD.35Wakefieldite-(Nd)Nd(VO4)Tet. 4/mmm(4/m2/m2/m) :I41/amd8.AD.40PucheriteBi(VO4)Orth.mmm(2/m2/m2/m)8.AD.45XimengiteBi(PO4)Trig. 32 :P31218.AD.50UM2005-35-VO:CaFePSiTh(Th,Ca)(VO4,SiO4,PO4)8.AD.50RooseveltiteBi(AsO4)Mon. 2/m8.AD.50Gasparite-(Ce)Ce(AsO4)Mon. 2/m8.AD.50Monazite-(Sm)Sm(PO4)Mon. 2/m8.AD.50Monazite-(Ce)Ce(PO4)Mon. 2/m8.AD.50Monazite-(La)La(PO4)Mon. 2/m8.AD.50Monazite-(Nd)Nd(PO4)Mon. 2/m8.AD.50Gasparite-(La)La(AsO4)Mon. 2/m8.AD.50CheraliteCaTh(PO4)2Mon. 2/m8.AD.55TetrarooseveltiteBi(AsO4)Tet. 4/m :I41/a8.AD.60Chursinite[Hg2]2+Hg2+2[AsO4]2Mon. 2/m :P21/b8.AD.65ClinobisvaniteBi(VO4)Mon. 2/m8.AD.70GurimiteBa3(VO4)2Trig. 3m :R3m8.AD.75PicaiteNaCa[AsO3OH][AsO2(OH)2]Mon. 2/m :P21/b

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    • References for PhosphammiteⓘEarles Find (TL)Bridge (1973)Bridge (1973)
    Iran
     
    Amin et al. (2022)
    Peru
     
    Shepard (1870)+1 other reference
    Romania
     
    Onac et al. (2003)
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