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Uricite

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Dingo Donga Cave, Madura Motel, Eucla, Western Australia, Australia
© 2008, J. Weissman

Formula:
C
 
5
H
 
4
N
 
4
O
 
3
System:MonoclinicColour:yellowish white, ...
Hardness:1 - 2
Name:The name reflects its chemical identity: uric acid.


Organic chemical nomenclature: 2,6,8-trihydroxypurine.

Classification of Uricite

IMA status:Approved 1973
Strunz 8th edition ID:9/D.01-40
Nickel-Strunz 10th (pending) edition ID:10.CA.40

10 : ORGANIC COMPOUNDS
C : Miscellaneous Organic Minerals
A : Miscellaneous Organic Minerals
Dana 8th edition ID:50.4.4.1

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

32 :
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Type Occurrence of Uricite

Type Locality:Dingo Donga Cave, Madura Motel, Eucla, Western Australia, Australia
Year of Discovery:1974

Physical Properties of Uricite

Diaphaneity (Transparency):Translucent
Colour:yellowish white, colourless, light brown
Streak:white
Hardness (Mohs):1 - 2

Crystallography of Uricite

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

Chemical Properties of Uricite

Formula:
C
 
5
H
 
4
N
 
4
O
 
3
Essential elements:C, H, N, O
All elements listed in formula:C, H, N, O

Relationship of Uricite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
10.CA.05Refikite
C
 
20
H
 
32
O
 
2
10.CA.10Flagstaffite
C
 
10
H
 
22
O
 
3
10.CA.15Hoelite
C
 
14
H
 
8
O
 
2
10.CA.20Abelsonite
Ni[C
 
32
H
 
36
N
 
4
]
10.CA.25Kladnoite
C
 
8
H
 
5
O
 
2
N
10.CA.30Guanine
C
 
5
H
 
5
N
 
5
O
10.CA.30Tinnunculite
C
 
10
H
 
12
N
 
8
O
 
8
10.CA.35Urea
CO(NH
 
2
)
 
2
Related Minerals - Hey's Index Grouping:

- +
32.1Evenkite
C
 
21
H
 
44
32.2 Fitchtelite
C
 
19
H
 
34
32.3Simonellite
C
 
19
H
 
24
32.4Kratochvílite
C
 
13
H
 
10
32.5Idrialite
C
 
22
H
 
14
32.6Carpathite
C
 
24
H
 
12
32.7Refikite
C
 
20
H
 
32
O
 
2
32.8Flagstaffite
C
 
10
H
 
22
O
 
3
32.9Hoelite
C
 
14
H
 
8
O
 
2
32.10Kladnoite
C
 
8
H
 
5
O
 
2
N
32.11Acetamide
CH
 
3
CONH
 
2
32.12Guanine
C
 
5
H
 
5
N
 
5
O
32.13Urea
CO(NH
 
2
)
 
2
32.15Abelsonite
Ni[C
 
32
H
 
36
N
 
4
]

Other Names for Uricite

Synonyms:
IMA1973-055
Other Languages:
German:Harnsäure
Uricit
Spanish:Uricita

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Uricite

Reference List:Acta Crystallographica (1965): 19: 286.

Mineralogical Magazine (1974): 39: 889.-890.

Articles/Blogs about Uricite

Internet Links for Uricite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Uricite in the Natural History Museum (London) online catalogue
  • Uricite details from Handbook of Mineralogy (PDF)
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    Localities for Uricite

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    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Australia
     
    • Western Australia
      • Eucla
        • Madura Motel
    		No reference listed
    Germany
     
    • Bavaria
      • Lower Bavaria
        • Bavarian Forest
          • Hauzenberg
            • Kropfmühl
    		Mineralien-Welt 18 (5) (2007) 20-26.
    Mineral and/or Locality
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