Jackman's Art Materials Blog

Ultramarine Pigments in depth

Posted by Marc Jackman on

Ultramarine Pigments in depth
Ultramarine is a deep blue color pigment which was originally made by grinding lapis lazuli into a powder.

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The Hegman Gauge

Posted by Marc Jackman on

The Hegman Gauge
Determining the fineness of a watercolour's grind is important, because too coarse a grind may reduce the paint's color uniformity, gloss, and opacity.

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Red Iron Oxide Pigments

Posted by Marc Jackman on

Why do Red Oxides differ between manufacture even when the same pigment is used?

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The Quinacridone Pigments

Posted by Marc Jackman on

The Quinacridone Pigments

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Chrome Oxide Green

Posted by Marc Jackman on

Chrome Oxide Green

Also Known as Chromium Oxide, Chromium Oxide Green, Chromium Sesquioxide or Chromia and is one of the four oxides of chromium

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