Spodumene Concentrate
LiAlSi₂O₆
CAS 1302-59-6The workhorse feedstock for hard-rock lithium conversion, with grade and particle size tailored to the conversion route.
Li₂O 5.5–6.5%
ORES & CONCENTRATES · Resource Stage
Ores & Concentrates
The resource stage determines the cost, impurity profile and supply stability of every downstream lithium salt. This category summarises typical grades, impurity control and pricing basis for hard-rock ores (spodumene, lepidolite, petalite, zinnwaldite, lithium clay) and salt-lake brine, so that feedstock can be selected against the intended conversion route.
6products
Resource Stagevalue-chain stage
Concentrates are usually priced on Li₂O grade, impurities such as Fe₂O₃, moisture and particle size; lot size and mode of transport affect the delivered cost.
Lepidolite Concentrate
K(Li,Al)₃(Si,Al)₄O₁₀(F,OH)₂
CAS 1312-42-1Feedstock for the mica route, with potassium, rubidium and cesium recoverable as co-products.
Li₂O 3.5–4.5%
Petalite Concentrate
LiAlSi₄O₁₀
CAS 1302-66-5Low-iron, low-thermal-expansion lithium feedstock for the glass and ceramics industry.
Li₂O 4.0–4.5%
Zinnwaldite Concentrate
KLiFeAl(AlSi₃)O₁₀(F,OH)₂
CAS —A significant European hard-rock lithium type, with tin, rubidium and cesium co-occurring.
Li₂O 1.5–2.5%
Lithium Clay
Li-bearing montmorillonite / illite
CAS —Low-grade, large-tonnage sedimentary lithium resource suited to in-situ leaching.
Li₂O 0.3–1.0%
Lithium Brine
Li⁺ / Cl⁻ / SO₄²⁻ system
CAS —The starting point of brine lithium extraction, where the Mg/Li ratio and associated elements define the process route.
Li 200–1500 mg/L
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