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Eugsterite

Year of discovery: 1981 (Luanda, Lake Victoria, Kenya, Sindo, Lake Victoria, Kenya, Karapinar, Turkey), 2005 (Japan)

Locality list: A locality of eugsterite

• Na₄Ca(SO₄)₃,2H₂O
• [Na⁺₄][Ca²⁺][(SO₄)₃]^6-,2H₂O

• Class: Sulfate - Hydrate
• Soluble in: Water

• Color: Colorless
• Streak: White
• Luster: Vitreous
• Diaphaneity: Transparent

• Hardness: 1-2
• Density: 2.5

• System: Monoclinic