Dawsonite

Rarity: Common

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Notion

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Science and technology

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What Wikipedia says

Dawsonite is a mineral composed of sodium aluminium carbonate hydroxide, chemical formula NaAlCO3(OH)2. It crystallizes in the orthorhombic crystal system. It is not mined for ore.

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

Image: Leon Hupperichs, CC BY-SA 3.0, via Wikimedia Commons.