page_title: Gyrolite
hierarchical_section_title: Gyrolite
caption_attribution_description: Taken from a collection at Brandon University. 55mm lens cap for scale. For reference the larger white mineral spheroids are Okenite. Sample from Malad Quarry, Bombay, India.
context_page_description: Gyrolite, NaCa₁₆O₆₀(OH)₈·14H₂O, is a rare silicate mineral belonging to the class of phyllosilicates. Gyrolite is also often associated with zeolites. It is most commonly found as spherical or radial formations in hydrothermally altered basalt and basaltic tuffs. These formations can be glassy, dull or fibrous in appearance.
  Gyrolite is also known as centrallasite, glimmer zeolite or gurolite.
context_section_description: Gyrolite, NaCa₁₆(Si₂₃Al)O₆₀(OH)₈·14H₂O, is a rare silicate mineral (basic sodium calcium silicate hydrate: N-C-S-H, in cement chemist notation) belonging to the class of phyllosilicates. Gyrolite is also often associated with zeolites. It is most commonly found as spherical or radial formations in hydrothermally altered basalt and basaltic tuffs.  These formations can be glassy, dull or fibrous in appearance.
  Gyrolite is also known as centrallasite, glimmer zeolite or gurolite.
caption: Gyrolite
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