Tachyhydrite

（重定向自Tachhydrite）

Tachyhydrite is an unstable mineral, a hydrous chloride of calcium and magnesium with formula: CaMg₂Cl₆·12H₂O. It is a rare component of marine evaporite salt deposits. Upon exposure to moist air it rapidly deliquesces and dissolves.

It forms a colorless to yellow trigonal crystal with a vitreous luster. It is soft with a Mohs hardness of 2 and has a low specific gravity of 1.66. It has good cleavage in three directions and typically occurs in crystalline masses.

单词	Tachhydrite
释义	Tachhydrite 英语百科 Tachyhydrite （重定向自Tachhydrite） Tachyhydrite is an unstable mineral, a hydrous chloride of calcium and magnesium with formula: CaMg₂Cl₆·12H₂O. It is a rare component of marine evaporite salt deposits. Upon exposure to moist air it rapidly deliquesces and dissolves. It forms a colorless to yellow trigonal crystal with a vitreous luster. It is soft with a Mohs hardness of 2 and has a low specific gravity of 1.66. It has good cleavage in three directions and typically occurs in crystalline masses.
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