Sal ammoniac specimens for sale
1 for sale · $150 USD
2 in the gallery
Sal ammoniac is the mineral form of ammonium chloride. It typically forms colorless to white, transparent to translucent crystals with a glassy to vitreous luster, often appearing as small prisms or granular masses. The mineral is famous for its historical association with early chemical industry, and in mineral collections it is valued for its rarity and occurrence in well-formed crystals from specialized localities. Notable specimens have been reported from Tajikistan, Chile, and Germany, where hydrothermal and sublimation processes can produce delicate, reflective crystals that contrast with darker gangue minerals. Collectors appreciate its unusual composition and its rarity in pristine crystal form, as well as the context of its historical use as a source of ammonia and chlorine compounds.
- Formula
- NH4Cl
- Rarity
- Uncommon
- Stability
- Stable
- Collector interest
- Moderate Interest
- Classification notes
- Halide mineral; Strunz 3.AA
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Where Sal ammoniac is found
Top localities
- Minera Escondida Tailings Pond1 specimen
About Sal ammoniac
As a simple halide mineral, sal ammoniac is best known for its role in early chemistry, but in a collection it stands out for its clarity and unit-cell symmetry. While typically small, the crystals can exhibit sharp faces and a brilliant sheen under proper lighting, making them attractive when displayed with supportive mounting and proper storage to prevent dehydration in higher temperatures. Its appeal lies in its chemical significance, its association with classic mineralogy, and its status as a distinctive, lightly sparkling specimen among halide minerals.