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<p>[QUOTE="moreotherstuff, post: 138877, member: 56"]Gila, I've think you've done a pretty good job of saying. I don't have any hard or fast rules. Oil and acrylic can be difficult to tell apart (at least for me). Age is a big factor. These media can show brushstrokes and texture in the pigment, and when that texture is heavy it's called impasto. But they can also be applied very smoothly, with almost no visible brushwork. They also tend to have a semi-gloss finish and are the most likely to be varnished (which can effect the appearance a lot). </p><p><br /></p><p>To my mind, watercolors are thin and tend to be translucent, they'll show the texture of what they're painted on. They can show smooth blending, or crisp brush strokes, but the pigment won't have texture. Inkjet printing and giclees can mimic watercolor to the point where it's difficult to tell. Gouach is like a thick watercolor and more opaque. I would expect gouache to show some brushwork and texture in the pigment, but not to the extent of impasto. Watercolors and gouach have a matte finish.</p><p><br /></p><p>Pastels have a velvety appearance and a soft look. It's not a good medium for hard, crisp lines. The pigment sheds as a fine powder at the least disturbance. Lots of blending with pastels and a very smooth, matte finish.</p><p><br /></p><p>My opinions and I could be wrong. A lot of time you just take a best guess.[/QUOTE]</p><p><br /></p>
[QUOTE="moreotherstuff, post: 138877, member: 56"]Gila, I've think you've done a pretty good job of saying. I don't have any hard or fast rules. Oil and acrylic can be difficult to tell apart (at least for me). Age is a big factor. These media can show brushstrokes and texture in the pigment, and when that texture is heavy it's called impasto. But they can also be applied very smoothly, with almost no visible brushwork. They also tend to have a semi-gloss finish and are the most likely to be varnished (which can effect the appearance a lot). To my mind, watercolors are thin and tend to be translucent, they'll show the texture of what they're painted on. They can show smooth blending, or crisp brush strokes, but the pigment won't have texture. Inkjet printing and giclees can mimic watercolor to the point where it's difficult to tell. Gouach is like a thick watercolor and more opaque. I would expect gouache to show some brushwork and texture in the pigment, but not to the extent of impasto. Watercolors and gouach have a matte finish. Pastels have a velvety appearance and a soft look. It's not a good medium for hard, crisp lines. The pigment sheds as a fine powder at the least disturbance. Lots of blending with pastels and a very smooth, matte finish. My opinions and I could be wrong. A lot of time you just take a best guess.[/QUOTE]
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