What this green mineral could be? it's harder than glass : r

Green rock identification! I am very intrigued about this rock

Common Green Rocks and Minerals

Common Green Rocks and Minerals

9 Deadliest Rocks And Minerals On Earth

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If it is greenish, then it is not a meteorite

Hard Water and How It Damages Plumbing

3 Minerals – An Introduction to Geology

I have no idea if this is glass, mineral, rock, or something else

3 Minerals – An Introduction to Geology

Hard Water — 8 Major Signs You Have Problems In Your Home

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