Mineraldle
Puzzle #44 was vaesite.
Vaesite (NiS2) is a mineral found together with cattierite in the Democratic Republic of Congo. It is named after Johannes F. Vaes, a Belgian mineralogist. It is part of the pyrite group.
Read about it on Wikipedia →
What the record says
Puzzle 44 ran on 28 Aug 2026 and the answer was vaesite, played with 6 guesses against 4 columns. On the record: Crystal system - cubic; Strunz group - sulfides-sulfosalts; Elements - Ni, S; Named after - person.
Beyond the grid the record adds Formula - NiSâ‚‚; Named after - Johannes Vaes.
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
- cubic
- Strunz group
- sulfides-sulfosalts
- Elements
- Ni, S
- Named after
- person
Also on the record
- Formula
- NiSâ‚‚
- Named after
- Johannes Vaes