Colours made from manganese oxide
3 colours that our sources say are made from manganese oxide.
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Umber
A natural brown pigment from earth, valued for its warmth and versatility in artPigment · 🇨🇾 Cyprus +2
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Sienna
A reddish-brown earth pigment named after the city of Siena in ItalyPigment · 🇫🇷 France

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YInMn Blue
A modern, stable blue pigment made from yttrium, indium and manganese oxidesPigment · 🇺🇸 United States +1
Photo credits on this page
The small pictures above come from Wikimedia Commons under free licences. Some are cropped to fit.
- Sienna: DanielCD~commonswiki, CC BY-SA 3.0, source
- Umber: Gixie, CC BY-SA 3.0, source
- YInMn Blue: Mas Subramanian, CC BY-SA 4.0, source