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The dahlia's
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Pigmenti di Sintesi_ BLU EGIZIO

9/6/2016

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Doppio silicato di rame e calcio - CaO * CuO * 4SiO2 
Pigmento di origine inorganica, sintetica, conosciuto dagli Egizi prima e poi dagli Etruschi dai Greci e dai Romani. Si ottiene dal riscaldamento della silice, malachite, carbonato di calcio e carbonato di sodio.

Picture

La qualità tonale è tendente al verde, somiglia all’azzurrite, ma si differenzia da questa per via del fatto che è insolubile in acidi anche a caldo.

Molto stabile e molto coprente è adatto soprattutto nella tecnica dell’affresco, nelle altre tecniche sono preferibili altri pigmenti della stessa cromia.

Picture

Sinonimi: Blu Ercolano,  Blu sinterizzato , Fritta d’Alessandria, Blu pompeiano, Fritta blu
Inglese: Egyptian Blue
Nomi Antichi: Lomentum, Cyanos sceuatos


***(((Informazioni sui materiali in continuo AGGIORNAMENTO)))***



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