Artificial analog of the mineral lecontite.
- Crystal system: orthorhombic
- Crystal shape: compact
- Color: colorless
- Stability on air: stable
Mix equimolar amounts of sodium sulfate Na2SO4 and ammonium sulfate (NH4)2SO4, dissolve them in water and crystallize. Sometimes it is used as fertilizer and can be purchased ready.
Grows fast, but easily forms opaque inclusions. Probably, these inclusions are caused by room temerature changes.