Crystopedia
IMA mineral species

Zigrasite

MgZr(PO₄)₂·4H₂O

Hydrous phosphate mineral.

YellowBrownWhite & Clear

Zigrasite specimen
Zigrasiet AndreRobbemond2mm-9.jpg · Wikimedia Commons (see file page for author & license)

Properties

🔷 Triclinic
Chemical formulaMgZr(PO₄)₂·4H₂O
ElementsMg, Zr, P, O, H
Crystal systemTriclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolZig
Nickel–Strunz class8.CE.75

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

🌍 Where it's found

Type locality (where it was first described): Dunton Gem quarry, United States

  • 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