IMA mineral species

Epidote-(Sr)

CaSr(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)

Epidote supergroup, sorosilicate mineral.

Properties

Chemical formulaCaSr(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)
ElementsCa, Sr, Al, Fe, Si, O, H
Crystal systemMonoclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolEp-Sr
Nickel–Strunz class9.BG.05

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

🌍 Where it's found

Type locality (where it was first described): Nankoku, Japan

  • 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.