IMA mineral species

Gyrolite

NaCa₁₆(Si₂₃Al)O₆₀(OH)₈·14H₂O

Rare phyllosilicate mineral crystallizing in spherules.

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Gyrolite specimen
Gyrolite - Malad quarry, Mumbai, Maharashtra, India.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaNaCa₁₆(Si₂₃Al)O₆₀(OH)₈·14H₂O
ElementsNa, Ca, Si, Al, O, H
Crystal system—
Mohs hardness—
Density—
Streak—
Color—
IMA symbolGyr
Nickel–Strunz class9.EE.30

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

🌍 Where it's found

Type locality (where it was first described): The Storr, United Kingdom

  • 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.