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Spodumene

Spodumene – LiAlSi₂O₆

Elements: Lithium, Aluminum, Silicon, Oxygen

Class: Silicates – Inosilicates

Crystal System: Monoclinic

Hardness: 6.5-7

Quartz

Talc (1)Diamond (10)

Very hard. Scratches glass and steel.

Origin: Pech, Kunar – Afghanistan