Mercury
Fun Fact: Mercury is the only metal that is liquid in normal conditions.
Introduction: Mercury is the only metal that exists as a liquid in normal atmospheric conditions. The symbol HG is derived from the Latin hydrargyrum, meaning 'liquid silver'. It was once a dentist's favourite for fillings but its use has been curtailed recently.
Distribution: The Tsumeb Mine is the only reported occurrence of mercury in Namibia.
Composition: Native metal
Crystal system: Not applicable
Lustre: Metallic
Streak: Not applicable
Hardness: Liquid
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