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

