Reports

Preliminary Identification of Crystalline Phases in a Transparent Stalactite

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Science  01 May 1959:
Vol. 129, Issue 3357, pp. 1227
DOI: 10.1126/science.129.3357.1227

Abstract

Of two crystalline phases found in a cavern stalactite, the major phase is mirabilite, whereas the minor phase, according to preliminary data, is a new mineral, sodium hemicalcium sulfate dihydrate, which is unstable at temperatures above 25°C.

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