Spodumene, monoclinic, crystal often columnar, granular or plate-like. The color is gray, grayish green, purple or yellow, etc., hardness 6.5-7, density 3.03-3.22g/cm3. As a raw material for lithium chemical products, it is widely used in the lithium chemical, glass and ceramic industries, and enjoys the reputation of “industrial MSGâ€.
What is spodumene?
The lithium spodumene is called spodumene, and its content is LiAl(SiO3)2 or Li2O·Al2O3·4SiO2. The theoretical lithium content is 3.75% (lithium oxide 8.04%).
Spodumene is one of the main lithium-containing minerals, also known as type 2 spodumene. Monoclinic crystals, often in the form of columns, granules or plates. The color is gray, grayish green, emerald green, purple or yellow. The glass is shiny and the streaks are colorless. The hardness is 6.5 to 7, and the density is 3.03 to 3.22 g/cm3. The spodumene is mainly produced in the palladium-rich pegmatite. The symbiotic minerals are quartz, albite, and micro-plagioclase. Crystals change color when heated or exposed to ultraviolet light, and they lose their luster under the influence of sunlight. When calcined to about 1000 ° C, it rapidly transforms into β-type spodumene and has thermal cracking properties.
Spodumene is classified into three categories according to its use, chemical composition and smelting process requirements: spodumene for chemical use, spodumene for ceramics, and low-iron spodumene.
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