<p><b>偏鋁酸鈣</b>是鈣的鋁酸鹽之一，化學式為Ca(AlO<sub>2</sub>)<sub>2</sub>或CaAl<sub>2</sub>O<sub>4</sub>。 它在自然界中十分罕見，兩種多晶的名字分別是krotite和dmitryivanovite，它們均來自隕石。它在<span data-orig-title="铝酸钙水泥" data-lang-code="en" data-lang-name="英語" data-foreign-title="Calcium aluminate cements"><span>鋁酸鈣水泥</span></span>中是重要組分。
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<h2><span id=".E5.8C.96.E5.AD.A6.E6.80.A7.E8.B4.A8"></span><span id="化学性质">化學性質</span></h2>
<p>偏鋁酸鈣可溶於酸，形成鹽：
</p>
<dl><dd>Ca(AlO<sub>2</sub>)<sub>2</sub> + 8 HCl → CaCl<sub>2</sub> + 2 AlCl<sub>3</sub> + 4 H<sub>2</sub>O</dd></dl><h2><span id=".E5.8F.82.E8.80.83.E6.96.87.E7.8C.AE"></span><span id="参考文献">參考文獻</span></h2>

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**偏鋁酸鈣**是鈣的鋁酸鹽之一，化學式為 Ca (AlO2)2 或 CaAl2O4。 它在自然界中十分罕見，兩種多晶的名字分別是 krotite 和 dmitryivanovite，它們均來自隕石。它在鋁酸鈣水泥中是重要組分。

## 化學性質

偏鋁酸鈣可溶於酸，形成鹽：

　
: Ca(AlO2)2 + 8 HCl → CaCl2 + 2 AlCl3 + 4 H2O

## 參考文獻
12042-68-1