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About UriciteHide

yellowish white, colourless, light brown
1 - 2
Crystal System:
The name reflects its chemical identity: uric acid.
Natural uric acid.
2,6,8-trihydroxypurine according to the organic chemical nomenclature.

See also the visually very similar Unnamed (Uric Acid Dihydrate).

Classification of UriciteHide

Approval Year:

C : Miscellaneous Organic Minerals
A : Miscellaneous Organic Minerals

4 : Miscellaneous

32 :

Physical Properties of UriciteHide

yellowish white, colourless, light brown
1 - 2 on Mohs scale

Chemical Properties of UriciteHide

CAS Registry number:

CAS Registry numbers are published by the American Chemical Society

Crystallography of UriciteHide

Crystal System:
Cell Parameters:
a = 14.46 Å, b = 7.4 Å, c = 6.2 Å
β = 65.2°
a:b:c = 1.954 : 1 : 0.838
Unit Cell V:
602.24 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

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

Type Occurrence of UriciteHide

Synonyms of UriciteHide

Other Language Names for UriciteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
Dolomite2 photos of Uricite associated with Dolomite on mindat.org.
Quartz2 photos of Uricite associated with Quartz on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

10.CA.05RefikiteC20H32O2Orth. 2 2 2 : P21 21 2
10.CA.20AbelsoniteNi(C31H32N4)Tric. 1 : P1
10.CA.25KladnoiteC6H4(CO)2NHMon. 2/m
10.CA.30Tinnunculite (of Chesnokov & Shcherbakova)C10H12N8O8Orth.
10.CA.35UreaCO(NH2)2Tet. 4 2m : P4 21m

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

32.1EvenkiteC21H44Orth. mmm (2/m 2/m 2/m) : Pbcm
32.3SimonelliteC19H24Orth. mmm (2/m 2/m 2/m) : Pnna
32.6CarpathiteC24H12Mon. 2/m : P21/b
32.7RefikiteC20H32O2Orth. 2 2 2 : P21 21 2
32.10KladnoiteC6H4(CO)2NHMon. 2/m
32.11AcetamideCH3CONH2Trig. 3m : R3c
32.13UreaCO(NH2)2Tet. 4 2m : P4 21m
32.15AbelsoniteNi(C31H32N4)Tric. 1 : P1

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.

References for UriciteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Ringertz, H. (1965): Optical and crystallographic data of uric acid and its dihydrate. Acta Crystallogr. 19, 286-287.
Ringertz, H. (1966): The molecular and crystal structure of uric acid. Acta Crystallogr., 20, 397-403.
Lonsdale, K. & Mason, P. (1966): Uric acid, uric acid dihydrate, and urates in urinary calculi, ancient and modern. Science 152, 1511-1512.
Shirley, R. & Sutor, D. J. (1968): Anhydrous uric acid: nature and occurrence of a new form in urinary calculi. Science 159, 544.
Bridge, P. J. (1974): Guanine and uricite, two new organic minerals from Peru and Western Australia. Mineralogical Magazine 39, 889-890.
Rinaudo, C. & Boistelle, R. (1980): The occurrence of uric acids and the growth morphology of the anhydrous monoclinic modification: C5H4N4O3. Journal of Crystal Growth 49, 569-579.
Boistelle, R. & Rinaudo, C. (1981): Phase transition and epitaxies between hydrated orthorhombic and anhydrous monoclinic uric acid crystals. Journal of Crystal Growth 53, 1-9.

Internet Links for UriciteHide

Localities for UriciteHide

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 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.
  • Mendoza
    • Malargüe Department
Benedetto, C., Forti, P., Galli, E., & Rossi, A. (1998). Chemical deposits in volcanic caves of Argentina. International Journal of Speleology, 27(1), 16.
Australia (TL)
  • Western Australia
    • Dundas Shire
      • Madura Roadhouse
Mineralogical Magazine (1974): 39: 889.-890.
  • Burgenland
    • Oberpullendorf
      • Kobersdorf
        • Pauliberg
Kolitsch, U. et al., to be published
  • Lower Austria
    • Waldviertel
      • Persenbeug-Gottsdorf
Löffler & Kolitsch (2011) (in press)
  • Upper Austria
    • Mühlviertel
      • Perg
        • Dimbach
peter neschen collection
  • Baden-Württemberg
    • Ortenaukreis
      • Wolfach
        • Oberwolfach
          • Rankach valley
U. Kolitsch, J. Gröbner, F. Brandstätter and R. Bayerl (2010): Neufunde aus der Grube Clara im mittleren Schwarzwald (IV): Calcioandyrobertsit, Cotunnit, Gerhardtit, Khaidarkanit, Lukrahnit, Mckinstryit, Moolooit, Rhabdophan-(La), Rouait und Uricit. Lapis 35 (9), 22-27; 62 (in German).
  • Bavaria
    • Lower Bavaria
      • Tittling
        • Hötzendorf
Habel, M. (2007): Neufunde aus dem östlichen Bayerischen Wald (VII). Mineralien-Welt, 18 (2), 59-64. [Eitzing quarry]
      • Untergriesbach
        • Kropfmühl
Mineralien-Welt 18 (5) (2007) 20-26.
  • Hesse
    • Lahn-Dill
      • Wetzlar
        • Weilburg
          • Essershausen
Blaß, G. & Möhn, G. (2010): Neue Mineralien von der Grube Mark bei Essershausen im Taunus. Mineralien-Welt 21 (2), 26-29.
  • Rhineland-Palatinate
    • Rhein-Lahn-Kreis
      • Bad Ems
        • Frücht
Möhn, G., Frohwein, J. & Blaß, G. (2009): Neue Mineralfunde von der Grube Friedrichssegen bei Bad Ems. Lapis 34 (5), 35-40; 58.
  • Maramureș
    • Ocna Șugatag
      • Sat-Șugatag
Tudor Tamas, Alexandra Mihaela Giurgiu, Lucian Barbu-Tudoran, Bogdan Mureşan (2017) Uricite from Gaura Ţuranului, NW Romania. In 17th International Congress of Speleology (No. I, p. 271). Australian Speleological Federation Inc.
  • Chelyabinsk Oblast
    • Yemanzhelinsk (Emanzhelinsk)
Tony Nikischer
  • Castile-La Mancha
    • Ciudad Real
      • Almadén District
        • Almadenejos
Sainz de Baranda Graf, B and Menor salvan, C. (2019) The Almadén mining district, Ciudad Real, Spain. The Mineralogical Record, 50 (1), 11-60.
Mineral and/or Locality  
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