Does anyone know if soft pastels work as well?
I only grate enough for a single use on paper. The leftover piece of chalk pastel stays in it's box.
If you want to grate more, store it in a small plastic container that can be purchased at a dollar store in packages of 12. They are usually found in the craft department.
Soft pastels work great. Stay away from oil pastels.
Thank you 
I love the variety and results given by grinding my own dusts! I love making gum paste flowers and was really put off by the high costs for such teeny amounts of commercial dusts. (Plus that infernal shipping and handling!)
I have purchased different sets of pastels containing different colors. I rub the chalk, (artist pastels, not oil), against a tea strainer over waxed paper and pour the resultant powder into those little plastic bead jars found at Michael's. They come in a plastic case with stackable screw tops, 5 in a stack, 6 stacks in a case.
I use a gummed label on each one and have integrated my purchased dusts with those I've made. They are all arranged in graduating colors and I now have a fine palette for any project. It gives me an unlimited choice and range.
I also have several little plastic palettes in which I mix colors and I cover them with cling film between projects. Little make up sponges, both the pads and those on little sticks, along with an assortment of brushes are used to apply.
Then I steam them and sometimes re-dust for intensity. I used to just hold them over a tea kettle, but now use a little clothes steamer which I hang from a hook on my work table leg. It is always ready to go and I don't need to leave my work space to go to the kitchen.
There are examples of the range available in my photos. The Peace rose and the autumn leaf cake are two of my favorites. You can see what a variety of effects you can achieve.
Forgive my long-windedness, but I get really excited when I like something. And I do like the economy and variety achieved with making my own petal dusts!
Jan
I've only used the non-oil pastels for this in the past. But always look with desire at the rich deep colors of the oil pastels whenever I pass them by at Michaels. Many folks here say not to use them. Can anyone tell me why you shouldn't use the oil based pastels?
I ve read that u can use chalk to color flowers
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When I suggested this exact thing 6 years ago on this very board and one other I was all but ran out of town on my ear.
Funny how things change because someone famous now does it.
That's weird!! Its been used in Australia and the UK to colour GP flowers and leaves etc for decades!
Did you ever suggest it can be eaten? It falls under the same category as disco dust - nontoxic, but shouldn't be eaten...which is why its used on GP decorations.
Sorry to hear you were almost lynched for suggesting it!
Has anyone ever made this and mixed it with Luster dust to make it shimmer. Is it possible to paint with it? I would think you would need A LOT of chalk to make a pant because it would dissolve.
I am trying that today, I hope it works! The petal dusts you buy cost quite a lot of money! I don't have that much money to just spend of dust!!!!! 
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