Mineraldle
Puzzle #81 was aksaite.
Aksaite (Mg[B6O7(OH)6]·2H2O) is a mineral found in Kazakhstan.
Read about it on Wikipedia →
What the record says
Puzzle 81 ran on 4 Oct 2026 and the answer was aksaite, played with 6 guesses against 4 columns. On the record: Crystal system - orthorhombic; Strunz group - borates; Elements - B, H, Mg, O; Named after - place.
Beyond the grid the record adds Formula - MgB₆O₇(OH)₆·2H₂O; Named after - Aksai valley.
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
- orthorhombic
- Strunz group
- borates
- Elements
- B, H, Mg, O
- Named after
- place
Also on the record
- Formula
- MgB₆O₇(OH)₆·2H₂O
- Named after
- Aksai valley