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Stones

Goethite

At a glance

Type
Mineral
Group
Oxide
Crystal system
Orthorhombic
Hardness
Medium (3 to 5.5)
Density
Heavy (3.2 to 5)
Occurs in
Sedimentary rocks, Ore veins
Foliation
Not layered
Colour
Black, Yellow, Brown
Lustre
Brilliant, Dull
Use
Ore
Difficulty in WildGuessr
Hard

Did you know?

  • Goethite was named in 1806 after Johann Wolfgang von Goethe, who was also an enthusiastic mineral collector.
  • Goethite is one of the main reasons why rust and many yellow-brown soils get their colour.

Could you guess it from clues?

WildGuessr picks a secret animal, plant, fungus, stone, prehistoric creature or space object and you ask yes-or-no questions about it, such as its group or where it grows. The fewer clues you need, the more points you score.

Similar stones

Classification, names and conservation status come from Wikidata (CC0), the photo from Wikimedia Commons. Wikidata Q189703 · All stones · All entries