Mineraldle
Puzzle #10 was gaspéite.
Gaspéite, a very rare nickel carbonate mineral, with the formula (Ni,Fe,Mg)CO3, is named for the place it was first described, in the Gaspé Peninsula, Québec, Canada.
What the record says
Puzzle 10 ran on 25 Jul 2026 and the answer was gaspéite, played with 6 guesses against 4 columns. On the record: Crystal system - trigonal; Strunz group - carbonates-nitrates; Elements - C, Ni, O; Named after - place.
Beyond the grid the record adds Formula - NiCO₃; Named after - Gaspé Peninsula.
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
- trigonal
- Strunz group
- carbonates-nitrates
- Elements
- C, Ni, O
- Named after
- place
Also on the record
- Formula
- NiCO₃
- Named after
- Gaspé Peninsula