This isn't really a bed time story but a few facts! (Minerals)

in minerals •  7 years ago  (edited)

1: Diamonds are the strongest mineral.
2: Gold is the rarest mineral.
3:Obsidian is produced when felsic lava extruded from a volcano cools rapidly with minimal crystal growth.
4: Emerald is a gemstone from the Beryl family.
5:Silver was found to be separated from lead by civilizations are early as 3000 BC.

minerals metals facts
7 years ago by

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