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黑云母斜方辉石是较为常见的共生矿物对， 它们之间 Ｆｅ Ｍｇ 交换模式反应的标准熵变与标准体积变化量之比很大， 具备了构成温度计的必要条件。根据 Ｆｏｎａｒｅｖ ａｎｄ Ｋｏｎｉｌｏｖ 的平衡实验数据， 考虑了黑云母、斜方辉石中 Ｆｅ Ｍｇ 的非理想混合效应， 得出了合理的黑云母、斜方辉石中 Ｆｅ Ｍｇ 的交换能数据。此外还采纳了 Ｄａｓｇｕｐｔａ 等关于黑云母活度的数据、ｖｏｎ Ｓｅｃｋｅｎｄｏｒｆｆ ａｎｄ Ｏ＇ Ｎｅｉｌｌ关于斜方辉石活度的数据和 Ｐａｔｔｉｎｏ Ｄｏｕｃｅ 等关于黑云母中 ＡｌⅥ、 Ｔｉ对黑云母活度效应的数据， 重新标度了黑云母斜方辉石温度计。该温度计重现实验温度的误差为±６０℃， 应用于天然岩石的温度计算误差一般小于±７０℃， 适用于绿帘角闪岩相至麻粒岩相的变质岩变质温度的估算。
Biotite orthopyroxene is a relatively common paragenetic mineral pair, and the ratio of standard entropy change to standard volume change of FeMg exchange mode between them is very large, which possesses the necessary conditions for forming a thermometer. According to the Fonarev and Konilov equilibrium experimental data, the non-ideal mixing effect of Fe-Mg in biotite and orthopyroxene is considered, and the exchange energy data of Fe-Mg in biotite and orthopyroxene are obtained. In addition, data such as Dasgupta et al. On biotite activity, von Seckendorff and O’Neill’s data on ettringite activity and Pattino Douce et al. data on activity of biotite and biotite in biotite , Re-scaling the biotite orthopyroxene thermometer. The thermometer reproduces the experimental temperature error of ± 60 ℃, applied to natural rock temperature calculation error is generally less than ± 70 ℃, suitable for the metamorphic rock temperate metamorphic temperature of the metamorphic rock of the green chlorite.