Mineraldle
Puzzle #116 was amarantite.
Amarantite is an amaranth-red to brownish mineral with the general formula of Fe3+2O(SO4)2·7H2O or Fe3+SO4(OH)·3H2O.
What the record says
Puzzle 116 ran on 8 Nov 2026 and the answer was amarantite, played with 6 guesses against 4 columns. On the record: Crystal system - triclinic; Strunz group - sulfates-related; Elements - Fe, H, O, S. 1 of the 4 columns is blank in the source (Named after), so nobody could score it either way.
Beyond the grid the record adds Formula - Fe³⁺₂O(SO₄)₂·7H₂O.
Mineraldle builds its record from Wikidata - CC0 1.0. The description above comes from the same place the game credits on every reveal: English Wikipedia verbatim extract, CC BY-SA 4.0. The puzzle itself is still playable in the archive, and every answer that has been and gone is listed on the past-answers page.
How it scored
- Crystal system
- triclinic
- Strunz group
- sulfates-related
- Elements
- Fe, H, O, S
- Named after
- Not recorded
Also on the record
- Formula
- Fe³⁺₂O(SO₄)₂·7H₂O