IMA mineral species

Hendricksite

K(Zn,Mg,Mn²⁺)₃(AlSi₃O₁₀)(OH)₂

True mica, phyllosilicate mineral.

RedBrownBlack

Properties

Chemical formulaK(Zn,Mg,Mn²⁺)₃(AlSi₃O₁₀)(OH)₂
ElementsK, Zn, Mg, Mn, Al, Si, O, H
Crystal system—
Mohs hardness—
Density—
Streak—
Color—
IMA symbolHds
Nickel–Strunz class9.EC.20

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

🌍 Where it's found

Type locality (where it was first described): Franklin, United States · Buckwheat pit, United States

  • 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.