Huntite

Rarity: Common

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At a glance

Class

Notion

Domain

Science and technology

In collections

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What Wikipedia says

Huntite is a carbonate mineral with the chemical formula Mg3Ca(CO3)4. Huntite crystallizes in the trigonal system and typically occurs as platy crystals and powdery masses. For most of recorded history its main use was as a white pigment.

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

Image: Bergminer, CC BY-SA 4.0, via Wikimedia Commons.