Questions about watercolor paper
Here is a little quiz about watercolor paper. The passing score is set at 6 out of 10 questions answered correctly.

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Here is a little quiz about watercolor paper. The passing score is set at 6 out of 10 questions answered correctly.
Diopside is a semi-precious stone used, among other things, in jewellery. The green variety, chrome diopside, is sometimes referred to as Russian emerald. It often originates from Russia, and its deep green colour can…
This text was revised with new illustrations on January 5, 2026. Green earth is a natural mineral pigment traditionally obtained from the minerals celadonite and glauconite. It was already in use in ancient Rome,…
This painting is fairly simple to execute and works well as an exercise for those who are relatively new to watercolor painting. Large smooth areas, no perspective, and simple color mixing make it well…
There is only one way to become good at something, whatever it may be, and that is to do it often and regularly. No one has ever become good at playing the piano or…
Why do almost all beginners paint a thin line using a bunch of tiny brushstrokes?The answer is actually pretty obvious: we’re used to writing with a pen but not with a brush. When we…
This is an updated version of the text and images first written on August 5, 2020. It was discovered by accident in the 1920s and produced as a pigment in 1935, under the name…
Raphaël Precision is a synthetic brush that, according to the manufacturer, is designed to hold liquid well and serve as a synthetic alternative to natural hair brushes. I have been using a few of…
In the late 18th century, an unknown potter invented a colorant that later became known as Potter’s Pink. The pigment is produced by calcining tin oxide together with various other oxides at high temperatures….
Since many of my students – both beginners and those who have painted for years – tend to rub watercolor paint onto the paper, I assume this is quite a common habit. By “rubbing”…

