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A birthstone is a gemstone that represents a person's birth period, usually the month or zodiac sign. Birthstones are often worn as jewelry or a pendant necklace.
Early writing on mineralogy, especially on gemstones, comes from ancient Babylonia, the ancient Greco-Roman world, ancient and medieval China, and Sanskrit texts from ancient India. [1] Books on the subject included the Naturalis Historia of Pliny the Elder which not only described many different minerals but also explained many of their ...
The oldest rocks in Italy may include oceanic crust subducted during the Caledonian orogeny and 440 million year old Ordovician granites. Only detrital zircons in the Alps dates to the Precambrian. [2] These granites are located offshore of Venice, found in the Agip Assunta well and deformed, transforming into orthogneiss during the Hercynian ...
Batrachite, gemstones that were supposedly found in frogs, to which ancient physicians and naturalists attributed the virtue of resisting poison. (Medieval legend) (Medieval legend) Draconite , a mythical gemstone taken from the head of a dragon and believed to have magical properties.
Amethyst is a violet variety of quartz.The name comes from the Koine Greek αμέθυστος amethystos from α - a-, "not" and μεθύσκω (Ancient Greek) methysko / μεθώ metho (Modern Greek), "intoxicate", a reference to the belief that the stone protected its owner from drunkenness. [1]
In 1962, an Italian junk dealer found a rolled-up canvas in the basement of a villa in Capri, depicting an asymmetrically painted woman in a blue dress. Not giving the signature much thought, he ...
Malachite is a copper carbonate hydroxide mineral, with the formula Cu 2 CO 3 (OH) 2.This opaque, green-banded mineral crystallizes in the monoclinic crystal system, and most often forms botryoidal, fibrous, or stalagmitic masses, in fractures and deep, underground spaces, where the water table and hydrothermal fluids provide the means for chemical precipitation.
10,000-year-old female infant remains found in Italy shed new light on early human society. Rachel Elbaum. December 14, 2021 at 9:47 AM. She only lived for little more than a month. But 10,000 ...