IMA mineral species

Pumpellyite-(Al)

Ca₂Al₃(Si₂O₇)(SiO₄)(OH,O)₂·H₂O

Sorosilicate mineral.

Pumpellyite-(Al) specimen
Pumpellyite-(Al)-108836.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaCa₂Al₃(Si₂O₇)(SiO₄)(OH,O)₂·H₂O
ElementsCa, Al, Si, O, H
Crystal systemMonoclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolPmp-Al
Nickel–Strunz class9.BG.20

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