The Imitations of Diamonds (Second part)

<p>In the mid-1970s, zirconium oxide (ZrO2) was produced in Russia, specifically at the Lebedev Physical Institute in Moscow, which, despit…

The Imitations of Diamonds (First part)

<p>I believe everyone agrees that imitation constitutes, in a certain sense, a certificate of esteem.<br /> As we well know, the rarer, mo…

The emerald

<p>The emerald<br /> It is not exactly certain but the emerald seems to owe its name to the ancient Sanskrit term &quot;maragata&quot; who…

A special ring

<p>Some time ago I purchased a lot of just over twenty rings from a rather well-known auction house specializing in the sale of jewelry. Th…

The Ruby

<p>After the diamond, the stones that we associate, more than any other,&nbsp; with the goldsmith&#39;s art, that we expect more than other…

THE MYTH OF THE GOLDEN FLEECE

<p>If the character that mainly defines the myth is remoteness, even if not always necessarily chronological, its fundamental essence consi…

THE DIAMOND

<p>&ldquo;Maximum in rebus humanis, non solum Inter gemmas, pretium habet adamas.&rdquo; If already in the first century a.d. Pliny the Eld…

GOLD

<p>Gold has always been, since time immemorial, considered by man as the most precious of metals. It was the first metal he knew and worked…