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Spodumene (Photo) [abbr. Spd ]

Year of discovery: 1800 (Utö mines, Sweden), 1977 (Japan)

Locality list: 2 localities of spodumene

• LiAlSi₂O₆
• [Li⁺][Al³⁺][(SiO₃)₂]^4-

• Class: Pyroxene supergroup
• Class: Inosilicate (Single chain)
• Variety: Hiddenite (Green)
• Variety: Kunzite (Pink)
• Insoluble in: HCl, HNO₃, H₂SO₄
• Fluorescence: UV excitation (Orange), Thermoluminescence, Cathodo luminescence (Orange)

• Li => Na: Jadeite

• Color: Colorless, Yellow, Pale green, Pale pink
• Streak: White
• Luster: Vitreous
• Diaphaneity: Transparent-Translucent

• Habit: Prismatic, Tabular

• Cleavage: Perfect (2 planes, 90 degree)
• Hardness: 6.5-7
• Density: 3.1

• System: Monoclinic
• Lattice: a=9.5, b=8.4, c=5.2, β=110.2

Etymology: Spodumenos (Burn to ash) in Greek

Synonym: Aglaite (Altered), Cymatolite (Altered), Killinite (Altered)