Showy specimen of the uncommon halide, sal ammoniac, from an old find. The white, translucent and lustrous crystals form are set richly on matrix.
Formula :
NH4)Cl
System: Hardness:1-2 Rarity:very rare
Strunz id:III/B.2-30 -
HALOGENIDES
Name origin: From the Greek κρυπτός, concealed, and άλς, salt, in allusion to its intimate mixture with salammoniac in the type locality occurrence.
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 Specimen weight:20 gr.
 Crystal size:Up to 2-2.5 mm
 Overall size: 40mm x 20 mm x 35 mm
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