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Uramphite

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Formula:
(NH4)2(UO2)2(PO4)2 · 6H2O
Colour:
pale green, bottle green
Lustre:
Vitreous
Hardness:
2 - 3
Crystal System:
Tetragonal
Name:
The name reflects its composition: uranyl (ur), ammonium (am) and phosphate (ph) ions.
Meta-autunite Group. Phosphate analogue of Uramarsite.


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Classification of UramphiteHide

Approved, 'Grandfathered' (first described prior to 1959)
7/E.02-160
8.EB.15

8 : PHOSPHATES, ARSENATES, VANADATES
E : Uranyl phosphates and arsenates
B : UO2:RO4 = 1:1
40.2a.7.1

40 : HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
2a : AB2(XO4)2·xH2O, containing (UO2)2+
19.11.9

19 : Phosphates
11 : Phosphates of U

Physical Properties of UramphiteHide

Vitreous
Colour:
pale green, bottle green
Streak:
greenish white
Hardness:
2 - 3 on Mohs scale
Cleavage:
Distinct/Good

Optical Data of UramphiteHide

Type:
Biaxial (-)
RI values:
nα = 1.564 nβ = 1.585 nγ = 1.585
Max Birefringence:
δ = 0.021
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
r > v strong

Chemical Properties of UramphiteHide

Formula:
(NH4)2(UO2)2(PO4)2 · 6H2O
IMA Formula:
NH4(UO2)PO4 · 3H2O

Crystallography of UramphiteHide

Crystal System:
Tetragonal

Type Occurrence of UramphiteHide

Other Language Names for UramphiteHide

German:Uramphit
Spanish:Uramphita

Relationship of Uramphite to other SpeciesHide

Other Members of this group:
AbernathyiteK(UO2)(AsO4) · 3H2OTet. 4/mmm (4/m 2/m 2/m) : P4/ncc
Chernikovite(H3O)2(UO2)2(PO4)2 · 6H2OTet.
LehneriteMn2+(UO2)2(PO4)2 · 8H2OMon.
Meta-ankoleiteK2(UO2)2(PO4)2 · 6H2OTet. 4/mmm (4/m 2/m 2/m) : P4/nmm
Meta-autuniteCa(UO2)2(PO4)2 · 6-8H2OTet. 4/mmm (4/m 2/m 2/m)
MetaheinrichiteBa(UO2)2(AsO4)2 · 8H2OTet. 4mm
MetakahleriteFe2+(UO2)2(AsO4)2 · 8H2OTric. 1 : P1
MetakirchheimeriteCo(UO2)2(AsO4)2 · 8H2OTric. 1 : P1
MetalodèviteZn(UO2)2(AsO4)2 · 10H2OTet.
MetanováčekiteMg(UO2)2(AsO4)2 · 8H2OTet. 4/m : P4/n
MetatorberniteCu(UO2)2(PO4)2 · 8H2OTet. 4/m : P4/n
Metauranocircite-IBa(UO2)2(PO4)2 · 7H2OMon. 2 : P21
MetauranospiniteCa(UO2)2(AsO4)2 · 8H2OTet. 4/m : P42/n
MetazeuneriteCu(UO2)2(AsO4)2 · 8H2OTet. 4/m : P42/n
Natrouranospinite(Na2,Ca)(UO2)2(AsO4)2 · 5H2OTet. 4/mmm (4/m 2/m 2/m) : P4/nmm
Uramarsite(NH4,H3O)2(UO2)2(AsO4,PO4)2 · 6H2OTet. 4/mmm (4/m 2/m 2/m) : P4/mmm

Related Minerals - Nickel-Strunz GroupingHide

8.EB.05AutuniteCa(UO2)2(PO4)2 · 11H2OOrth. mmm (2/m 2/m 2/m) : Pnma
8.EB.05HeinrichiteBa(UO2)2(AsO4)2 · 10H2OMon. 2/m
8.EB.05KahleriteFe(UO2)2(AsO4)2 · 12H2OTet. 4/m : P42/n
8.EB.05Nováčekite-IMg(UO2)2(AsO4)2 · 12H2OTric. 1 : P1
8.EB.05SaléeiteMg(UO2)2(PO4)2 · 10H2OMon. 2/m : P21/b
8.EB.05TorberniteCu(UO2)2(PO4)2 · 12H2OTet. 4/mmm (4/m 2/m 2/m) : I4/mmm
8.EB.05UranocirciteBa(UO2)2(PO4)2 · 10H2OTet.
8.EB.05UranospiniteCa(UO2)(AsO4)2 · 10H2OTet. 4/mmm (4/m 2/m 2/m) : P4/nmm
8.EB.05Xiangjiangite(Fe3+,Al)(UO2)4(PO4)2(SO4)2(OH) · 22H2OTet.
8.EB.05ZeuneriteCu(UO2)2(AsO4)2 · 12H2OTet. 4/mmm (4/m 2/m 2/m) : I4/mmm
8.EB.05MetarauchiteNi(UO2)2(AsO4)2 · 8H2OTric. 1 : P1
8.EB.05RauchiteNi(UO2)2(AsO4)2 · 10H2OTric. 1 : P1
8.EB.10BassetiteFe2+(UO2)2(PO4)2 · 10H2OMon. 2/m
8.EB.10LehneriteMn2+(UO2)2(PO4)2 · 8H2OMon.
8.EB.10Meta-autuniteCa(UO2)2(PO4)2 · 6-8H2OTet. 4/mmm (4/m 2/m 2/m)
8.EB.10MetasaléeiteMg(UO2)2(PO4)2 · 8H2O
8.EB.10Metauranocircite-IBa(UO2)2(PO4)2 · 7H2OMon. 2 : P21
8.EB.10MetauranospiniteCa(UO2)2(AsO4)2 · 8H2OTet. 4/m : P42/n
8.EB.10MetaheinrichiteBa(UO2)2(AsO4)2 · 8H2OTet. 4mm
8.EB.10MetakahleriteFe2+(UO2)2(AsO4)2 · 8H2OTric. 1 : P1
8.EB.10MetakirchheimeriteCo(UO2)2(AsO4)2 · 8H2OTric. 1 : P1
8.EB.10MetanováčekiteMg(UO2)2(AsO4)2 · 8H2OTet. 4/m : P4/n
8.EB.10MetatorberniteCu(UO2)2(PO4)2 · 8H2OTet. 4/m : P4/n
8.EB.10MetazeuneriteCu(UO2)2(AsO4)2 · 8H2OTet. 4/m : P42/n
8.EB.10PrzhevalskitePb2(UO2)3(PO4)2(OH)4 · 3H2OOrth.
8.EB.10Meta-lodèviteZn(UO2)2(AsO4)2 · 10H2O
8.EB.15AbernathyiteK(UO2)(AsO4) · 3H2OTet. 4/mmm (4/m 2/m 2/m) : P4/ncc
8.EB.15Chernikovite(H3O)2(UO2)2(PO4)2 · 6H2OTet.
8.EB.15Meta-ankoleiteK2(UO2)2(PO4)2 · 6H2OTet. 4/mmm (4/m 2/m 2/m) : P4/nmm
8.EB.15Natrouranospinite(Na2,Ca)(UO2)2(AsO4)2 · 5H2OTet. 4/mmm (4/m 2/m 2/m) : P4/nmm
8.EB.15Trögerite(H3O)(UO2)(AsO4) · 3H2OTet. 4/mmm (4/m 2/m 2/m) : P4/nmm
8.EB.15Uramarsite(NH4,H3O)2(UO2)2(AsO4,PO4)2 · 6H2OTet. 4/mmm (4/m 2/m 2/m) : P4/mmm
8.EB.20ThreadgolditeAl(UO2)2(PO4)2(OH) · 8H2OMon.
8.EB.20ChistyakovaiteAl(UO2)2(AsO4)2(F,OH) · 6.5H2OMon.
8.EB.25ArsenuranospathiteAl[(UO2)(AsO4)]2F(H2O)20Orth. mm2 : Pnn2
8.EB.25Uranospathite(Al,☐)(UO2)2(PO4)2F · 20(H2O,F)Orth. mm2 : Pnn2
8.EB.30Vochtenite(Fe2+,Mg)Fe3+(UO2)4(PO4)4(OH) · 12-13H2OMon.
8.EB.35CoconinoiteFe3+2Al2(UO2)2(PO4)4(SO4)(OH)2 · 20H2OMon.
8.EB.40RanunculiteHAl(UO2)(PO4)(OH)3 · 4H2OMon.
8.EB.45TrianguliteAl3(UO2)4(PO4)4(OH)5 · 5H2OTric.
8.EB.50FurongiteAl13(UO2)7(PO4)13(OH)14 · 58H2OTric. 1 : P1
8.EB.55SabugaliteHAl(UO2)4(PO4)4 · 16H2OMon. 2/m : B2/m

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

19.11.1LermontoviteU(PO4)(OH) · H2OOrth. mmm (2/m 2/m 2/m) : Ccca
19.11.2MetavanmeersscheiteU6+(UO2)3(PO4)2(OH)6 · 2H2OOrth. mmm (2/m 2/m 2/m) : Fddd
19.11.3VanmeersscheiteU6+(UO2)3(PO4)2(OH)6 · 4H2OOrth.
19.11.4Chernikovite(H3O)2(UO2)2(PO4)2 · 6H2OTet.
19.11.5VyacheslaviteU(PO4)(OH) · nH2OOrth.
19.11.6MetanatroautuniteNa(UO2)(PO4)(H2O)3Tet. 4/mmm (4/m 2/m 2/m) : P4/ncc
19.11.7YingjiangiteK2Ca(UO2)7(PO4)4(OH)6 · 6H2OOrth. mmm (2/m 2/m 2/m) : Cmcm
19.11.8Meta-ankoleiteK2(UO2)2(PO4)2 · 6H2OTet. 4/mmm (4/m 2/m 2/m) : P4/nmm
19.11.10TorberniteCu(UO2)2(PO4)2 · 12H2OTet. 4/mmm (4/m 2/m 2/m) : I4/mmm
19.11.11MetatorberniteCu(UO2)2(PO4)2 · 8H2OTet. 4/m : P4/n
19.11.12SaléeiteMg(UO2)2(PO4)2 · 10H2OMon. 2/m : P21/b
19.11.13NingyoiteCaU(PO4)2 · 1-2H2OOrth.
19.11.14Meta-autuniteCa(UO2)2(PO4)2 · 6-8H2OTet. 4/mmm (4/m 2/m 2/m)
19.11.15AutuniteCa(UO2)2(PO4)2 · 11H2OOrth. mmm (2/m 2/m 2/m) : Pnma
19.11.16Pseudo-autunite(H3O)4Ca2(UO2)2(PO4)4 · 5H2OOrth.
19.11.17PhurcaliteCa2(UO2)3(PO4)2O2 · 7H2OOrth.
19.11.18Phosphuranylite(H3O)3KCa(UO2)7(PO4)4O4 · 8H2OOrth. mmm (2/m 2/m 2/m) : Cmcm
19.11.19UlrichiteCaCu(UO2)(PO4)2 · 4H2OMon.
19.11.20BergeniteCa2Ba4(UO2)9(PO4)6O6 · 16H2OMon. 2/m : P21/b
19.11.21Metauranocircite-IBa(UO2)2(PO4)2 · 7H2OMon. 2 : P21
19.11.22UranocirciteBa(UO2)2(PO4)2 · 10H2OTet.
19.11.23RanunculiteHAl(UO2)(PO4)(OH)3 · 4H2OMon.
19.11.24TrianguliteAl3(UO2)4(PO4)4(OH)5 · 5H2OTric.
19.11.25MunditeAl(UO2)3(PO4)2(OH)3 · 5.5H2OOrth.
19.11.26UpaliteAl(UO2)3(PO4)2O(OH) · 7H2OMon.
19.11.27FurongiteAl13(UO2)7(PO4)13(OH)14 · 58H2OTric. 1 : P1
19.11.28ThreadgolditeAl(UO2)2(PO4)2(OH) · 8H2OMon.
19.11.29PhuralumiteAl2(UO2)3(PO4)3(OH)2 · 13H2OMon.
19.11.30MoreauiteAl3(UO2)(PO4)3(OH)2 · 13H2O
19.11.31SabugaliteHAl(UO2)4(PO4)4 · 16H2OMon. 2/m : B2/m
19.11.32Uranospathite(Al,☐)(UO2)2(PO4)2F · 20(H2O,F)Orth. mm2 : Pnn2
19.11.33AlthupiteAlTh(UO2)7(PO4)4(OH)5O2 · 15H2OTric. 1 : P1
19.11.34Françoisite-(Nd)(Nd,Ce,Sm)(UO2)3(PO4)2O(OH) · 6H2OMon.
19.11.35Kivuite(Th,Ca,Pb)(UO2)4(HPO4)2(OH)8 · 7H2O
19.11.36ParsonsitePb2(UO2)(PO4)2Tric. 1 : P1
19.11.37DewindtiteH2Pb3(UO2)2(PO4)4O4 · 12H2OOrth. mmm (2/m 2/m 2/m) : Cmma
19.11.38DumontitePb2(UO2)3(PO4)2(OH)4 · 3H2OMon. 2/m : P21/m
19.11.39PrzhevalskitePb2(UO2)3(PO4)2(OH)4 · 3H2OOrth.
19.11.40LehneriteMn2+(UO2)2(PO4)2 · 8H2OMon.
19.11.41BassetiteFe2+(UO2)2(PO4)2 · 10H2OMon. 2/m
19.11.42Vochtenite(Fe2+,Mg)Fe3+(UO2)4(PO4)4(OH) · 12-13H2OMon.

Other InformationHide

Health Risks:
Radioactive

References for UramphiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Nekrasova, Z.A. (1957) Hydrous phosphate of uranyl and ammonium (uramphite), NH4(UO2)(PO4).3H2O. Voprosy Geologii Urana (Problems of uranium geology), 67–72. (in Russian)
Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva (1958): 87: 483.
American Mineralogist (1959): 44: 464.

Internet Links for UramphiteHide

Localities for UramphiteHide

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Kyrgyzstan (TL)
 
  • Naryn Oblast
    • Moldo-Too range
      • Minkush
Nekrasova, Z.A. (1957) Hydrous phosphate of uranyl and ammonium (uramphite), NH4(UO2)(PO4).3H2O. Problems of uranium geology, 67–72. (in Russian)
Mineral and/or Locality  
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