Cryptohalite Chemical: (a)(NH4)2SiF6[5]. Clades: Fluoride minerals; Halide minerals; Lapidae. rom Related postsSempervivum tectorumMarch 10, 2019Ammonium molybdicumOctober 30, 2020EditorialJuly 15, 2022 Previous postChlorargyriteNext postFluorite