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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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