Bazzite

Rarity: Common

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At a glance

Class

Notion

Domain

Science and technology

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What Wikipedia says

Bazzite is a beryllium scandium cyclosilicate mineral with chemical formula Be3Sc2Si6O18 (Be3(Sc,Fe)2Si6O18 or Be3(Sc,Al)2Si6O18). It crystallizes in the hexagonal crystal system typically as small blue hexagonal crystals up to 2 cm length. It has a Mohs hardness of 6.5–7 and a specific gravity of 2.77 to 2.85.

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

Image: Joachim Esche, CC BY-SA 3.0 de, via Wikimedia Commons.