Bunsenite

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Notion

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Science and technology

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What Wikipedia says

Bunsenite is the naturally occurring form of nickel(II) oxide, NiO. It occurs as rare dark green crystal coatings. It crystallizes in the cubic crystal system and occurs as well formed cubic, octahedral and dodecahedral crystals. It is a member of the periclase group.

Excerpt from the Wikipedia article “Bunsenite”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Hannes Osterhammer, CC BY-SA 3.0 de, via Wikimedia Commons.