Tusionite

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

Tusionite is a rare colorless to transparent to translucent yellow brown trigonal borate mineral with chemical formula: MnSn(BO3)2. The mineral is composed of 18.86% manganese, 40.76% tin, 7.42% boron, and 32.96% oxygen.

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

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