9. • Discovered in India almost 6000 years ago
- likely found at site of meteor strike
(only
other place is the lithosphere)
• It is impossible to determine who found it
• Large quantities found in Africa in 1867
12. Antoine Lavoisier and Carbon
• Introduced the
possibility of allotropy
in chemical elements
• Experiment in 1772
• Diamond is a
crystalline form of
Carbon