Mineraldle
Puzzle #38 was hanksite.
Hanksite is a sulfate mineral, distinguished as one of only a handful that contain both carbonate and sulfate ions (a sulfate carbonate). It has the chemical formula Na22K(SO4)9(CO3)2Cl.
Read about it on Wikipedia →
What the record says
Puzzle 38 ran on 22 Aug 2026 and the answer was hanksite, played with 6 guesses against 4 columns. On the record: Crystal system - hexagonal; Strunz group - sulfates-related; Elements - C, Cl, K, Na, O, S; Named after - person.
Beyond the grid the record adds Formula - KNa₂₂(SO₄)₉(CO₃)₂Cl; Named after - Henry Garber Hanks.
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
- sulfates-related
- Elements
- C, Cl, K, Na, O, S
- Named after
- person
Also on the record
- Formula
- KNa₂₂(SO₄)₉(CO₃)₂Cl
- Named after
- Henry Garber Hanks