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Earth pigments?

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sleek:

--- Quote from: JEB on November 01, 2019, 06:12:31 am ---Sleek, I brought home some natural materials which are tailings from a mine in New Mexico.They are gold in color and I may have some maroon also. The material crumbles pretty easy and will stain your fingers. If you want a small amount I would be glad to send you some.

I bought one of those small coffee bean grinders at a yard sale and use that to turn it into a powder like substance.  The grinder can be used with softer materials such as turquoise also.

--- End quote ---

You know what, I would LOVE some, thank you VERY much! I will be cutting some bamboo for arrow shafts here in January. I will cut you a bundle, along with another guy who I owe a stack.

JEB:
need a mailing address Sleek

aaron:
General procedure for earth pigments:
Grind up a rock that's good for pigments such as ochre. Now you have a mix of chunks- some are like tiny rocks, some like sand and some as fine as talcum. Your problem now is to separate out all the talcum sized bits. Put the ground up rock in a jar with water and shake. When you're done shaking, all the particles are suspended in the water and over time they will settle out. The big bits settle out first, then the medium bits settle out. If you wait a few minutes, everything settles out except the tiny bits. So, you pour off the water and tiny bits, leaving the bigger bits and some water in the first jar. In the new jar, you now have water plus tiny bits. Pour this onto a tray to evaporate the water. Once dry, you can heat it to change the color. The dry pigment is mixed with dilute hide glue to make a paint.

TimothyR:
Definitely interested in that.

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