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
More details...