Pietrista Course
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Original amount in EUR:
280 €
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The stone worker is the worker specialized in the manufacture of artificial stones imitating marble and other building materials. A stone, in commercial terminology (which in Italy is regulated by the UNI-8458 standard), is a rock, normally not polishable, and with a varied mineralogical composition, used both as a construction and decoration material, which does not fall within the marble types. , granite or travertine defined by the same legislation. They are divided into two groups: soft and / or not very compact rocks: clastic sedimentary rocks (arenites, calcarenites, etc.) and volcanoclastic rocks (tuffs, peperini, etc.) and hard and / or compact rocks: natural split stones (quartzites, mica schists, gneisses, slates, etc.) and effusive magmatic rocks (basalts, trachytes, etc.). Among the other varieties of stone, the pietra serena, Lecce stone and slate. The stone in Masonic symbolism is an important symbol and is one of the immobile jewels present in the loggia. It symbolically represents what is necessary for the Apprentice Brothers to educate themselves in latomistic work, with the aim of cleaning it, a metaphor for the change to be made on oneself, for one's own human and spiritual improvement.
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Pietrista Course
*Indicative price
Original amount in EUR:
280 €
