IMA mineral species

Karwowskiite

Ca₉Mg(Fe²⁺₀,₅◻₀,₅)(PO₄)₇

Mineral.

Karwowskiite specimen
Sulfide nodule from the central part of the paralava body (d).png · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaCa₉Mg(Fe²⁺₀,₅◻₀,₅)(PO₄)₇
ElementsCa, Mg, Fe, P, O
Crystal systemTrigonal
Mohs hardness—
Density—
Streak—
Color—
Fractureconchoidal fracture
IMA symbolKrw
Nickel–Strunz class8.AB.

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

🌍 Where it's found

Type locality (where it was first described): Daba-Siwaqa complex, Jordan