Antlerite

Rarity: Common

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At a glance

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Notion

Domain

Science and technology

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What Wikipedia says

Antlerite is a greenish hydrous copper sulfate mineral, with the formula Cu3(SO4)(OH)4. It occurs in tabular, acicular, or fibrous crystals with a vitreous luster.

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

Image: Christian Rewitzer, CC BY-SA 3.0, via Wikimedia Commons.