Author clearmarble

Letters 121713_robert-genn-children3
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Dear Artist, In the art of parenting we all begin as amateurs. By the time…

Letters cochineal-bug
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Dear Artist, Cochineal is a red dyestuff extracted from the blood of a beetle parasite…

Letters 013114_story-yellow
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Dear Artist, Traditionally, yellow has come from five main sources–mango, gamboge, orpiment, ochre and saffron.…

Letters 012814_ultramarine
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Dear Artist, The original Ultramarine blue was made from the semi-precious stone lapis lazuli. Processes…

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