General Information:
Chemical Formula:(NH4)3H(SO4)2
Composition:(Molecular Weight = 247.25 gm)Hydrogen 5.30 %
H Sulfur 25.94 %
S Nitrogen 16.99 %
N Oxygen 51.77 %
O Empirical Formula: NH43H(SO4)2
Environment:Formed during the burning of waste coal heaps.
Locality:Letovice, Moravia, Czech Republic.
Name Origin:Named for the locality.
Physical Properties: Cleavage:[001] Distinct
Color:colorless or white.
Density:1.83
Diaphaniety:Transparent
Habits:Microscopic Crystals - Crystals visible only with microscopes., Pseudo Hexagonal - Crystals show a hexagonal outline., Platy - Sheet forms (e.g. micas).
Hardness:1-2 - Between Talc and Gypsum
Luster:Vitreous (Glassy)
Streak:white
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