Mineraldle
Puzzle #107 was alacránite.
Alacránite (As8S9) is an arsenic sulfide mineral first discovered in the Uzon caldera, Kamchatka, Russia. It was named for its occurrence in the Alacrán silver/arsenic/antimony mine. Pampa Larga, Chile.
What the record says
Puzzle 107 ran on 30 Oct 2026 and the answer was alacránite, played with 6 guesses against 4 columns. On the record: Crystal system - monoclinic; Strunz group - sulfides-sulfosalts; Elements - As, S; Named after - place.
Beyond the grid the record adds Formula - As₈S₉; Named after - Alacrán mine, Alacrán.
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
- monoclinic
- Strunz group
- sulfides-sulfosalts
- Elements
- As, S
- Named after
- place
Also on the record
- Formula
- As₈S₉
- Named after
- Alacrán mine, Alacrán