Crystopedia
IMA mineral species

Euclase

BeAlSiO₄(OH)

Nesosilicate mineral.

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Euclase specimen
Euclase 1.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaBeAlSiO₄(OH)
ElementsBe, Al, Si, O, H
Crystal systemMonoclinic
Mohs hardness7.5
Density—
Streakwhite
Color—
IMA symbolEcs
Nickel–Strunz class9.AE.10

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

🌍 Where it's found

Type locality (where it was first described): Ouro Preto, Brazil

  • 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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