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Uricite

A valid IMA mineral species
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09511740017271927322245.jpg
Uricite

Loja, Persenbeug-Gottsdorf, Melk District, Lower Austria, Austria
06242070017271927358678.jpg
Uricite

Clara Mine, Oberwolfach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
07462460017271927393870.jpg
Uricite, etc.

El Entredicho Mine, Almadenejos, Ciudad Real, Castile-La Mancha, Spain
08372370017866582828915.jpg
Uricite

Loja, Persenbeug-Gottsdorf, Melk District, Lower Austria, Austria
05541220017866582998067.jpg
Uricite

Clara Mine, Oberwolfach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
07462460017271927393870.jpg
Uricite, etc.

El Entredicho Mine, Almadenejos, Ciudad Real, Castile-La Mancha, Spain
09511740017271927322245.jpg
Uricite

Loja, Persenbeug-Gottsdorf, Melk District, Lower Austria, Austria
06242070017271927358678.jpg
Uricite

Clara Mine, Oberwolfach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
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About UriciteHide

Formula:
C5H4N4O3
structural formula: NHC(O)NHC2C(O)NHC(O)NH
Colour:
yellowish white, colourless, light brown
Hardness:
1 - 2
Specific Gravity:
1.851 (Calculated)
Crystal System:
Monoclinic
Name:
The name reflects its chemical identity: uric acid.
Natural uric acid. Anhydrous counterpart of tinnunculite (natural uric acid dihydrate), which is visually very similar.

2,6,8-trihydroxypurine (a heterocyclic compound, i.e., cyclic organic carbon compound with additional, non-carbon atom(s)) according to the organic chemical nomenclature.


Unique IdentifiersHide

Mindat ID:
4118
Long-form identifier:
mindat:1:1:4118:4

Similar NamesHide

IMA Classification of UriciteHide

Classification of UriciteHide

Strunz-mindat (2026):
10.CA.40

10 : ORGANIC COMPOUNDS
C : Miscellaneous Organic Minerals
A : Miscellaneous Organic Minerals
Dana 8th ed.:
50.4.4.1

50 : ORGANIC COMPOUNDS
4 : Miscellaneous
Hey's CIM Ref.:
32.14

32 : Hydrocarbons, Resins and other Organic Compounds

Mineral SymbolsHide

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

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

Physical Properties of UriciteHide

Transparency:
Translucent
Colour:
Yellowish white, colourless, light brown
Streak:
White
Hardness:
1 - 2 on Mohs scale
Density:
1.851 g/cm3 (Calculated)

Optical Data of UriciteHide

Type:
Biaxial

Chemistry of UriciteHide

Mindat Formula:
C5H4N4O3

structural formula: NHC(O)NHC2C(O)NHC(O)NH
Element Weights:
Element% weight
C35.723 %
N33.327 %
O28.552 %
H2.398 %

Calculated from ideal end-member formula.
C
N
O
H
Elements listed:
C, H, N, O - search for minerals with similar chemistry
CAS Registry number:
69-93-2

CAS Registry numbers are published by the American Chemical Society

Crystallography of UriciteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/c
Setting:
P21/a
Cell Parameters:
a = 14.464(3) Å, b = 7.403(2) Å, c = 6.208(1) Å
β = 65.10(5)°
Ratio:
a:b:c = 1.954 : 1 : 0.839
Unit Cell V:
602.94 ų (Calculated from Unit Cell)
Z:
4

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0009301UriciteRingertz H (1966) The molecular and crystal structure of uric acid Acta Crystallographica 20 397-4031966synthetic0293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
6.55 Å(43)
4.91 Å(51)
3.864 Å(42)
3.180 Å(55)
3.093 Å(100)
3.087 Å(69)
2.866 Å(25)

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 10a: Neoproterozoic oxygenation/terrestrial biosphere<0.6
49 : Oxic cellular biomineralization (see also #44)<0.54
52 : Guano- and urine-derived minerals<0.4

Type Occurrence of UriciteHide

Synonyms of UriciteHide

Other Language Names for UriciteHide

Dutch:Uriciet
Spanish:Uricita

Common AssociatesHide

Associations Based on Photo Data:
4 photos of Uricite associated with DolomiteCaMg(CO3)2
3 photos of Uricite associated with QuartzSiO2
1 photo of Uricite associated with CinnabarHgS

Related Minerals - Strunz-mindat GroupingHide

10.CA.AllantoinC4H6N4O3Mon. 2/m : P21/c
10.CA.PabellóndepicaiteCu2+2(N3C2H2)2(NH3)2(NO3)Cl · 2H2OOrth. mmm(2/m2/m2/m) : Pnna
10.CA.BojariteCu3(N3C2H2)3(OH)Cl2 · 6H2OIso. m3m(4/m32/m) : Fd3c
10.CA.NatrosulfatoureaNa2(SO4)[CO(NH2)2]Orth. mmm(2/m2/m2/m) : Pbcn
10.CA.'Tholins'(C,H,N)
10.CA.FuchuniteBa(C2H3O3)2(C2H4O3)2Mon. 2/m : P21/c
10.CA.05RefikiteC20H32O2Orth. 222 : P21212
10.CA.10FlagstaffiteC10H22O3Orth. mm2 : Fdd2
10.CA.15HoeliteC14H8O2Mon. 2/m : P21/c
10.CA.20AbelsoniteNi(C31H32N4)Tric. 1 : P1
10.CA.25KladnoiteC6H4(CO)2NHMon. 2/m : P21/c
10.CA.30'Tinnunculite (of Chesnokov & Shcherbakova)'C10H12N8O8Orth.
10.CA.30GuanineC5H5N5OMon. 2/m : P21/c
10.CA.35UreaCO(NH2)2Tet. 42m : P421m
10.CA.45ChanabayaiteCuCl(N3C2H2)(NH3) · 0.25H2OOrth. mmm(2/m2/m2/m) : Imma
10.CA.50TriazoliteNaCu2(N3C2H2)2(NH3)2Cl3 · 4H2OOrth. 222 : P212121
10.CA.55ErnstburkeiteMg(CH3SO3)2 · 12H2O Trig. 3 : R3
10.CA.60JoanneumiteCu(C3N3O3H2)2(NH3)2Tric. 1 : P1
10.CA.65TinnunculiteC5H4N4O3 · 2H2OMon. 2/m : P21/c
10.CA.70'Dopplerite'Amor.

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.
External Links
Search for toxicity information at the United States National Library of Medicine

Internet Links for UriciteHide

References for UriciteHide

Localities for UriciteHide

Showing 18 localities.

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.
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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.
Argentina
 
  • Mendoza Province
    • Malargüe Department
      • Malargüe District
Benedetto et al. (1998)
Australia (TL)
 
  • Western Australia
    • Dundas Shire
      • Madura Roadhouse
Bridge (1974)
Austria
 
  • Burgenland
    • Oberpullendorf District
      • Markt Sankt Martin
        • Pauliberg
Kolitsch +1 other reference
  • Lower Austria
    • Melk District
      • Persenbeug-Gottsdorf
Löffler & Kolitsch (2011)
  • Upper Austria
    • Perg District
      • Dimbach
Neschen (n.d.)
Germany
 
  • Baden-Württemberg
    • Freiburg Region
      • Ortenaukreis
        • Hausach
          • Hausach
H.P. Maaßen collection
        • Oberwolfach
Kolitsch et al. (2010)
  • Bavaria
    • Lower Bavaria
      • Passau District
        • Tittling
          • Tittling
            • Hötzendorf
Habel (2007)
        • Untergriesbach
Habel (2007)
      • Regen District
        • Zwiesel
          • Rabenstein
Habel (2006)
  • Hesse
    • Giessen Region
      • Limburg-Weilburg
        • Weinbach
Blaß et al. (2010)
  • Rhineland-Palatinate
    • Rhein-Lahn-Kreis
      • Lahnstein
        • Friedrichssegen
58. +1 other reference
Hungary
 
  • Vas County
    • Szombathely District
      • Felsõcsatár
Csanad Loranth
Norway
 
  • Nordland
    • Narvik
Husdal (2019)
Husdal (2019)
Romania
 
  • Maramureș County
    • Ocna Șugatag
      • Sat-Șugatag
Tudor Tamas et al. (2017)
Russia
 
  • Chelyabinsk Oblast
    • Yemanzhelinsky District
Excalibur Mineral Corp. - Mineral News
Spain
 
  • Castile-La Mancha
    • Ciudad Real
      • Almadenejos
Sainz de Baranda Graf et al. (2019)
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