Glossary
Lithium hard rock deposit
Power Materials
Hard rock lithium deposits, also known as pegmatite lithium deposits, can contain extractable amounts of a number of elements, including lithium, tin, tantalum and niobium. Lithium in pegmatites is most commonly found in the mineral spodumene. Australia, the US, Canada, Ireland, Finland and the Democratic Republic of Congo are known to host pegmatite lithium deposits.
Extracting pegmatite lithium from hard rock ore is expensive, meaning that such deposits are arguably at a disadvantage compared to brine deposits. However, pegmatite lithium deposits have considerably higher lithium concentrations than brines, so deposits with extremely high lithium values may still be economically viable.
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