IMA mineral species

Roedderite

KNaMg₂(Mg₃Si₁₂)O₃₀

Cyclosilicate mineral.

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

Properties

Chemical formula	KNaMg₂(Mg₃Si₁₂)O₃₀
Elements	K, Na, Mg, Si, O
Crystal system	Hexagonal
Mohs hardness	6.5
Density	—
Streak	—
Color	—
IMA symbol	Rdr
Nickel–Strunz class	9.CM.05

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

🌍 Where it's found

Type locality (where it was first described): Indarch meteorite, Azerbaijan

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

Roedderite on Mindat.org
Wikidata item Q2275414 (source of this page's data – you can correct it there)