{
  "name": "Snowflakes: crystal sizes, cloud droplets and ice lattice constants",
  "desc": "Sizes behind this page: the ice lattice constants measured near 0 °C, cloud droplets, the sizes of several kinds of snow crystal as one field guide gives them, a diatom comparison, and how many lattice cells fit in a row across three crystal sizes; one quantity per row, with its qualifier and source.",
  "lic": "CC BY 4.0",
  "lic_url": "https://creativecommons.org/licenses/by/4.0/",
  "by": "Ants, Cells & Atoms",
  "url": "https://antscellsandatoms.com/molecules/snowflakes/",
  "from": [
    "Libbrecht 2019 monograph (sections 1.1, 2.2 and chapter 10), read 2026-10-24",
    "cell-sizes.csv (shared file), row diatoms, usual size (Piegari et al. 2019)"
  ],
  "how": "Compiled by Ants, Cells & Atoms from the data listed",
  "data_by": [
    "Lattice constants, droplet and crystal sizes: Libbrecht KG, Snow Crystals, monograph, arXiv 1910.06389 v2 (2021), https://arxiv.org/abs/1910.06389, retrieved 2026-10-24",
    "Diatoms usually 20–200 µm: Piegari G et al. 2019, Frontiers in Veterinary Science 6:404, CC BY 4.0, https://doi.org/10.3389/fvets.2019.00404, retrieved 2026-10-25",
    "Cells in a row computed 2026-10-25"
  ]
}