Saturday, September 10, 2016

What is the Hardest Substances on Earth?

What is the Hardest Substance on Earth?

Lonsdaleite. It is 58 percent harder than diamond.

Lonsdaleite, also called Hexagonal Diamond, is an allotrope of carbon with a hexagonal lattice. In nature, it forms when meteorites containing graphite strike the Earth.

1. New Scientist Live
2. Wikipedia

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