приклади
It redissolves in summer and is eventually transformed on shores in powdered thenardite , which is easily blown away by wind from the shores, as water level is lower.
The mineral, which occurs with lyonsite and thenardite , formed as a sublimate from the volcanic gases.
Anhydrous sodium sulfate is found in nature as the mineral thenardite .
Sulphate-rich waters in bitter lakes produce mirabilite which alters on exposure to thenardite both along the margins of the lake and in its deeper parts.
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