IMA mineral species

Hennomartinite

SrMn³⁺₂(Si₂O₇)(OH)₂ * H₂O

Sorosilicate mineral.

Hennomartinite specimen
Hennomartinite-Quartz-Sugilite-k206a.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaSrMn³⁺₂(Si₂O₇)(OH)₂ * H₂O
ElementsSr, Mn, Si, O, H
Crystal systemOrthorhombic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolHma
Nickel–Strunz class9.BE.05

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

🌍 Where it's found

Type locality (where it was first described): Wessels mine, South Africa

  • 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.