Lithium Reserves
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- global lithium reserves - Abundance of Common Materials
- At 20 ppm of the earth's crust compared to silicon, they are 1/10 that of carbon(200 ppm by mass). There is plenty of carbon for everyone.
- For silicon - 20 ppm by mass, with crust at 1% mass, earth mass of 6^24 kg - then .000020 of 6^24 is 6^19 kg.