Uricite Mineral Data

General Uricite Information

Chemical Formula:

C5H4N4O3

Composition:

Molecular Weight = 168.11 gm

Hydrogen 2.40 % H

Carbon 35.72 % C

Nitrogen 33.33 % N

Oxygen 28.55 % O

______

100.00 %

Empirical Formula:

C₅H₄N₄O₃

Environment:

Formed in guanos. A component of guano.

IMA Status:

Valid Species (Pre-IMA) 1807

Locality:

Undefined locality in Peru. Link to MinDat.org Location Data.

Name Origin:

For its composition, anhydrous uric acid.

Name Pronunciation:

Uricite

Uricite Image

Images:

Uricite

Comments: White powdery uricite aggregate.
Location: Dingo Donga Cave, near Rawlinna, Western Australia, Australia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Uricite Crystallography

Axial Ratios:

a:b:c =1.9539:1:0.8385

Cell Dimensions:

a = 14.465, b = 7.403, c = 6.208, Z = 4; beta = 65.2° V = 603.47 Den(Calc)= 1.85

Crystal System:

Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 2₁/a

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 3.093(1), 3.087(0.69), 3.18(0.55),

Crystal Structure:

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drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
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S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
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Ringertz H , Acta Crystallographica , 20 (1966) p.397-403, The molecular and crystal structure of uric acid, Locality: synthetic

Physical Properties of Uricite

Color:

Colorless, Yellowish white.

Density:

1.85

Diaphaneity:

Transparent

Hardness:

1-2 - Between Talc and Gypsum

Streak:

white

Calculated Properties of Uricite

Electron Density:

Bulk Density (Electron Density)=1.89 gm/cc
note: Specific Gravity of Uricite =1.85 gm/cc.

Fermion Index:

Fermion Index = 0.33
Boson Index = 0.67

Photoelectric:

PE_Uricite= 0.27 barns/electron
U=PE_Uricite x rElectron Density= 0.51 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Uricite is Not Radioactive

Uricite Classification

Dana Class:

50.04.04.01 (50)Salts of Organic Acids

(50.04)with miscellaneous formulae

(50.04.04)Dana Group

50.04.04.01 Uricite C5H4N4O3 P 2₁/a 2/m

Strunz Class:

10.CA.40 10 - ORGANIC COMPOUNDS

10.C - Miscellaneous Organic Minerals

10.CA -Miscellaneous Organic Materials

10.CA.40 Uricite C5H4N4O3 P 2₁/a 2/m

Other Uricite Information

References:

NAME( AntBidBlaNic2) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Uricite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

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Print or Cut-and-Paste your Uricite Specimen Label here :

Uricite

C5H4N4O3
Dana No: 50.04.04.01 Strunz No: 10.CA.40
Locality:

Notes: