# Scientific data attribution

Mineral records adapted from Marco Pasero and contributors, IMA-CNMNC Master List, September 2026.
https://cnmnc.units.it/files/editor/IMA_Master_List_%282026-09%29.pdf
Licensed under Creative Commons Attribution-ShareAlike 3.0:
https://creativecommons.org/licenses/by-sa/3.0/
Changes: tabular extraction, structured JSON fields and Unicode formula formatting. The adapted mineral dataset retains this licence. Original uncertainty markers are retained. Source page numbers accompany records.

Element properties: PubChem, US National Library of Medicine.
https://pubchem.ncbi.nlm.nih.gov/rest/pug/periodictable/CSV
Historical facts and short attributed occurrence excerpts: Royal Society of Chemistry; individual links in each entry. RSC prose is not relicensed under the mineral-data licence.
Selected gem and mineral facts: Gemological Institute of America and Handbook of Mineralogy (Mineralogical Society of America), linked per entry.
Original introductory article text includes source links. These sources do not endorse the shop.

Expanded gem-name nomenclature facts: CIBJO Gemstone Book, July 2026, Annex C. Names, material associations and source page references were extracted and normalized; treatment prose is not reproduced. CIBJO content is not relicensed under the mineral-data CC licence. Additional gem records link to GIA.
https://cibjo.org/wp-content/uploads/2026/08/Gemstone-Book-edits-at-03-July-2026-clean.pdf

Reference gallery photographs are supplied by Wikimedia Commons contributors under each image’s stated licence; each image has creator, licence and source links. Photo licences are separate from the IMA mineral dataset licence. Images are displayed uncropped (contain) and may be served as scaled thumbnails. Contributor descriptions are shown as source captions.