IMA mineral species

Kladnoite

C₆H₄(CO)₂NH

Organic mineral.

Kladnoite specimen
Kladnoite.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaC₆H₄(CO)₂NH
ElementsC, H, O, N
Crystal systemMonoclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolKdn
Nickel–Strunz class10.CA.25

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