Crystopedia
IMA mineral species

Pyrophyllite

Al₂Si₄O₁₀(OH)₂

Phyllosilicate mineral.

YellowGreenBrownGrayWhite & Clear

Pyrophyllite specimen
Pyrophyllite-386094.jpg · Wikimedia Commons (see file page for author & license)

Properties

🔷 Triclinic✏️ streak white
Chemical formulaAl₂Si₄O₁₀(OH)₂
ElementsAl, Si, O, H
Crystal systemTriclinic
Mohs hardness—
Density—
Streakwhite
Color—
IMA symbolPrl
Nickel–Strunz class9.EC.10

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

🌍 Where it's found

Type locality (where it was first described): Beryozovskoye deposit, Russia

  • 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.

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