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jan 1, 1612 - Antonio Neri

Description:

L'arte vetraria (1612) Antonio Neri - agrees alchemists developed glassmaking in effort to counterfeit gems; believes his 'art' and imitations surpass gems except in terms of hardness. 'Thus, in the early modern period, hardness replaces colour and transparency as the most important defining characteristic of gemstones.

Added to timeline:

13 Jan 2020
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Date:

jan 1, 1612
Now
~ 414 years ago