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Natron

Year of discovery: 1801 (World), 2004 (Japan)

Locality list: A locality of natron

• Na₂CO₃,10H₂O
• [Na⁺₂][CO₃]^2-,10H₂O

• Class: Carbonate - Hydrate
• Soluble in: Water
• Insoluble in: HCl
• Fluorescence: UV excitation (Blue), Phosphorescence
• Dehydrate to Thermonatrite.

• 10H₂O => H₂O: Thermonatrite

• Color: Colorless, White
• Streak: White
• Luster: Vitreous
• Diaphaneity: Transparent-Translucent

• Cleavage: Distinct on {001} (1 plane), Imperfect on {010} (1 plane), Poor on {110} (2 plane)
• Hardness: 1-1.5
• Density: 1.5

• System: Monoclinic
• Group: 2/m, P2/m
• Lattice: a=12.8, b=9.0, c=12.6, β=115.9