Uricite
A variety of Minerals
What is Uricite?
Uricite is a rare organic mineral form of uric acid, C5H4N4O3. It is a soft yellowish white mineral which crystallizes in the monoclinic system.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Uricite before comparing listings or appraisals.
Size & Weight
Larger, intact specimens usually command higher prices.
Rarity & Demand
Scarce material or popular varieties sell at a premium.
Condition & Finish
Chips, repairs, and heavy wear lower value; clean prep helps.
Treatment & Provenance
Untreated specimens with documented locality are prized.
Uricite Localities Map
See where Uricite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Key Characteristics
Formation of Uricite
It was first described in 1973 for an occurrence in bat guano in Dingo Donga Cave, Eucla, Western Australia. The name is for its composition, anhydrous uric acid. It occurs with biphosphammite, brushite and syngenite at the type locality in Dingo Donga Cave.
Quick Facts
Physical Properties
- Color
- yellowish white, colourless, light brown
- Hardness (Mohs)
- 1 - 2
- Streak
- white
Chemical Properties
- Chemical Formula
- C5H4N4O3 structural formula: NHC(O)NHC2C(O)NHC(O)NH
- Elements
- C, H, N, O

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Uricite FAQs
How do I identify Uricite?
Uricite can be identified by its hardness of 1 - 2 on the Mohs scale, yellowish white color. Look for these key characteristics when examining specimens.
What color is Uricite?
Uricite typically appears in yellowish white, colourless, light brown. Color can vary depending on impurities and formation conditions.
How hard is Uricite?
Uricite has a hardness of 1 - 2 on the Mohs scale. This makes it a soft mineral that can be scratched easily.
What is the formation of uricite of Uricite?
It was first described in 1973 for an occurrence in bat guano in Dingo Donga Cave, Eucla, Western Australia. The name is for its composition, anhydrous uric acid. It occurs with biphosphammite, brushite and syngenite at the type locality in Dingo Donga Cave.


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