{
  "title": "Ultramarine cage schematic, drawing check",
  "description": "Drawing check of the ultramarine cage schematic: counts of sites, edges and rings, the silicon and aluminium alternation, and the angle of the sulfur chain, each re-measured from the drawing data. It checks the drawing, not the mineral.",
  "license": "CC BY 4.0",
  "license_url": "https://creativecommons.org/licenses/by/4.0/",
  "creator": "Tricks of Ear and Eye",
  "page": "https://tricksofearandeye.com/color/ultramarine/",
  "derived_from": [
    "Coordinates of the Tricks of Ear and Eye cage schematic"
  ],
  "method": "Compiled by Tricks of Ear and Eye from the data listed"
}