IMA mineral species

Siwaqaite

Ca₆Al₂(CrO₄)₃(OH)₁₂·26H₂O

Hydrous chromate mineral.

Properties

Chemical formulaCa₆Al₂(CrO₄)₃(OH)₁₂·26H₂O
ElementsCa, Al, Cr, O, H
Crystal systemTrigonal
Mohs hardness—
Density—
Streak—
Color—
IMA symbolSiw

“—” 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