Amphibole

{
  "id": "MLC-T-ENV-001336",
  "term": "Amphibole",
  "field": "Environment",
  "definition": "1. Group of double chain silicate minerals.\n\n2. A group of minerals composed of double-chain SiO₄ tetrahedra linked at the vertices and generally containing ions of iron and/or magnesium in their structures. Amphibole minerals are of either igneous or metamorphic origin. Amphiboles can occur in a variety of mineral habits including asbestiform and non-asbestiform. A group of double chain silicate minerals.",
  "subject": "Air",
  "references": [
    "Asbestos Terms and Acronyms",
    "Glossary of Asbestos-related Terms and Acronyms"
  ],
  "url": "https://mlchart.com/terminology/environment/amphibole/"
}