... how, at the fall of Jerusalem, the one of intense interest, and byunderstanding the nature, environment,chemical composition and the properties of the stones, possibility of fraud isaltogether ... hismethod of synthesis (which is the scientific name for putting substancestogether in order to form new compoundsout of their union) or of analysis (the THE CHEMISTRY, PROPERTIES AND TESTS OF PRECIOUS STONES ... any of their compounds, but are composedentirely of the common elements and theirderivatives, especially of those elementscontained in the upper crust of the earth, and this notwithstanding the...