Question about Dremel 400 Series Xpr Rotary Tool Kit with Xpr Multisaw and Xpr Planer Attachment 400 - 6/90

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Polishing soft stones

Whats the best way to get a good shiney finnish I made a pear of earring with the lapis and put them in the pickle solution, as the resolt the stons lost color.  The serfes  got a whitish mate color and lost luster. I thryed to tumbler them for two days but it did not  change anything.
I will appreciate if you can help me to solve this problem.

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Lapis is a porous stone and should not be pickled if possible. The pickling solution is an acid and has soaked into your lapis and reacted quite a ways in. Next time, try painting on the solution with some care when working with porous stones. Look into some geological books for more information on the stones your working with, their porosities and reactivities. Or like when working with cloth, test out a small peice of the stone first. As for your jewelry, Im not sure if its recoverable. There is the possibility of a chemical bath or heating solving it, or possibly grinding away a LOT of the stone. You may need a chemist or more acurately, a geochemist. If your willing to experiment, I think heating will likely be your solution. Try something around 200-400 for a short time, and dont set fire to anything. Remember that the metal could melt around there depending on what you used to mount it. ::shrugs:: if your using these things, dont rely on anything like this without some research first or experimentation of your own. Get a good jewlers jem book.

Posted on Jan 15, 2009

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Does anybody know what grits are in this set?

because of the variety of the natural stone, true Arkansas stones are not given a grit. from fastest cutting to best finish it will be in this order; soft white, hard white, and hard black.

there is a helpful article here Welcome to Arkansas Stone Grades 101

hope this helps

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How Do Knife Sharpeners Work?

Knife sharpeners are a way of preserving
knives and other such tools that have become blunt with use and therefore less

Sharpeners work by grinding the knife
against a hard, rough surface. Usually stone is the most common type of
sharpener but sandpaper (which has a soft surface but is hard), can also be

You can take your knives to a knife shop
where they will sharpen them for you (on average once a year), but if you are a
keen knife user and want to keep your knives sharp and in excellent condition,
it might be worth buying a sharpener of your own.

To sharpen your own knives you’ll need to invest in a good whetstone. These are
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The sharpener will come with
instructions about the angle you need to place the knife at in order to sharpen

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on Dec 25, 2013 | Kitchen Appliances - Others

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How do you fix a scratched disk

If you take a little bit of toothpaste and put it in the scratch, it is said to restore the protective layer that would otherwise cause the disk to jump and be unreadable. Here is a step by step how to for you:

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I have bought a rotatry tool that came with accessories but I don't know which accessories to use for what job. It is hard to identify which accessory is what. Did not come with illustration of what each...

I assume you mean something like a Dremel high speed rotary tool with various bits. Here are some general guidelines....
You can divide the bits into three groups - cutting, grinding, and polishing.
The cutting tools will have the largest (relatively) teeth, some look like little gears. These are suitable for fairly soft materials like wood and plastic, and maybe drywall. They are useful for carving.
The grinding tools are either small stones (these are very hard, not rubber) or they have a fine coating of diamonds glued to a metal surface. Both are used for grinding hard stuff like metal, ceramics or glass. The diamond coated ones can grind very hard materials. The stone ones can wear down, but remain usable. Grinding is handy for sharpening and for removing small amounts of metal to shape it - but this is a pretty slow process. You can also etch glass by grinding it, but be sure to keep a little water on the glass or the local heating of the glass will break it.
The polishing tools are hard rubber or fabric or little wire brushes. These are good for polishing things, mostly metal. I find the little wire brush bits very useful for cleaning up corroded contacts in flashlights and other battery-operated devices.
Be sure to wear safety glasses with any of these bits, but especially the wire brushes as they tend to throw out those little wires!
Let me know if you would like any more help. Thanks for using Fixya, and good luck.
Al K

Mar 24, 2010 | Tools & Hardware - Others

3 Answers

CLR on my marble bathroom vantiy

You need a very fine abrasive polish such as Jewellers Rouge.

You use rubber sanding pad with a pad of soft cloth tired to it

You dampen the pad then while it is spinning you apply the stick of Jewellers Rouge to it so that some of the Rouge is transferred

You then use the pad to polish the marble

It can be a long job

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Apparently a pizza stone was set on glasstop burner and now is scratched How can I get scratches out??

Hi there.
It depends on the depth of the scratches. For minor scratches I normally use a cheap toothpaste and a fine soft cloth. Polish compound and a polish machine can be used on deeper scratches.

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Scratches on granite kitchen worktop

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