Letovicite
A variety of Minerals
What is Letovicite?
Letovicite (/lɛtoʊˈvɪsaɪt/) is an ammonium sulfate mineral with composition (NH4)3H(SO4)2 (IUPAC: triammonium sulfate hydrogensulfate, Nickel–Strunz classification 07.AD.20). It is a rare colorless or white monoclinic secondary mineral formed during the burning of waste coal heaps and as a deposit in hot springs. It was first described from the Letovice region of Moravia in 1932. Geologic occurrences also include Austria, Germany, Hungary, Italy, Poland, South Africa, Tajikistan and the United States.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Letovicite 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.
Letovicite Localities Map
See where Letovicite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Colourless, white; colourless in transmitted light
- Hardness (Mohs)
- 1 - 2
- Density
- 1.83 g/cm³
Chemical Properties
- Chemical Formula
- (NH4)3H(SO4)2
- Elements
- H, N, O, S
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Letovicite FAQs
How do I identify Letovicite?
Letovicite can be identified by its hardness of 1 - 2 on the Mohs scale, Colourless color. Look for these key characteristics when examining specimens.
What color is Letovicite?
Letovicite typically appears in Colourless, white; colourless in transmitted light. Color can vary depending on impurities and formation conditions.
How hard is Letovicite?
Letovicite has a hardness of 1 - 2 on the Mohs scale. This makes it a soft mineral that can be scratched easily.
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