Mineraldle
Puzzle #111 was wurtzite.
Wurtzite is a zinc and iron sulfide mineral with the chemical formula (Zn,Fe)S, a less frequently encountered structural polymorph form of sphalerite. The iron content is variable up to eight percent. It is trimorphous with matraite and sphalerite.
Read about it on Wikipedia →
What the record says
Puzzle 111 ran on 3 Nov 2026 and the answer was wurtzite, played with 6 guesses against 4 columns. On the record: Crystal system - hexagonal; Strunz group - sulfides-sulfosalts; Elements - S, Zn; Named after - person.
Beyond the grid the record adds Formula - ZnS; Named after - Charles Adolphe Wurtz.
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
- hexagonal
- Strunz group
- sulfides-sulfosalts
- Elements
- S, Zn
- Named after
- person
Also on the record
- Formula
- ZnS
- Named after
- Charles Adolphe Wurtz