IMA mineral species

Cryptohalite

(NH₄)₂SiF₆

Halide mineral.

Cryptohalite specimen — Bararite & Cryptohalite.jpg · Wikimedia Commons (see file page for author & license)

Properties

⚖ Density2.013 g/cm³

Light

Chemical formula	(NH₄)₂SiF₆
Elements	N, H, Si, F
Crystal system	Cubic
Mohs hardness	—
Density	2.013 g/cm³
Streak	—
Color	—
IMA symbol	Cphl
Nickel–Strunz class	3.CH.15

“—” means no reliable value in Wikidata yet. Check Mindat for full data.

🌍 Where it's found

Type locality (where it was first described): Mount Vesuvius, Italy

Type locality
Notable source / deposit
Country of origin

Marker positions are approximate (region or locality level). Type localities from Wikidata; notable sources curated by Crystopedia.

Learn more

Cryptohalite on Mindat.org
Wikidata item Q3698830 (source of this page's data – you can correct it there)