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Mon, 19/08/2024

1722

The Imitations of Diamonds (Second part)

In the mid-1970s, zirconium oxide (ZrO2) was produced in Russia, specifically at the Lebedev Physical Institute in M…

Tue, 13/08/2024

1714

The Imitations of Diamonds (First part)

I believe everyone agrees that imitation constitutes, in a certain sense, a certificate of esteem.
As we well…

Mon, 08/07/2024

2041

The emerald

The emerald
It is not exactly certain but the emerald seems to owe its name to the ancient Sanskrit term &quo…

Thu, 20/06/2024

1901

A special ring

Some time ago I purchased a lot of just over twenty rings from a rather well-known auction house specializing in the…

Mon, 13/05/2024

2307

The Ruby

After the diamond, the stones that we associate, more than any other,  with the goldsmith's art, that we ex…

Tue, 22/08/2023

3651

THE MYTH OF THE GOLDEN FLEECE

If the character that mainly defines the myth is remoteness, even if not always necessarily chronological, its funda…

Tue, 22/08/2023

2990

THE DIAMOND

“Maximum in rebus humanis, non solum Inter gemmas, pretium habet adamas.” If already in the first centur…

Tue, 22/08/2023

3283

GOLD

Gold has always been, since time immemorial, considered by man as the most precious of metals. It was the first meta…

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