Black for fresco painting is ivory of bone

Black for fresco painting is ivory of bone - Black for...

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Black for fresco painting is ivory of bone; our white is made of lime. Below is a list of pigments that are used in all types of painting, some are good for fresco painting, the ones which are not good are listed with an explanation as to their weakness. If there is no comment, the pigment is safe to use. Cadmium yellow will eventually fade Chrome yellow changes color Terra di Pozzuoli are volcanic earths and natural cements, set quickly and hard. Colors over these set poorly Coal tar - helio fast red - can be used Ultramarine blue easily attacked by acids. It has the history of not always standing up in fresco. Ultramarine has a soft glass base that the alkalinity of fresco will eventually destroy and with it the color. It can be used but should not be used in the open where coal is burned in large quantities because it becomes whitish gray. Black - ivory, or vine ground charcoal Naples Yellow of the true form is lead antomoniate which would be bad from any point of view-as a lead compound which turns brown in lime or
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Black for fresco painting is ivory of bone - Black for...

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