dmharrisn
off to a rocking start
Member since March 2010
Posts: 14
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Post by dmharrisn on Sept 6, 2010 18:57:08 GMT -5
My 9 year old and I have been achieving greatness thanks to all of you. This is a totally addicting hobby. (But I am dreading winter and the whole frozen hose so we have to use buckets in the kitchen business.) Anyway, we are ready to venture out in our experience. A friend hikes in the mountains of Utah and has some granite, quartz and marble. Can I tumble these together if everything else is right ?(sizes, quantity, etc) Mostly I wonder about harndess and if they tumble well. I have done quartz many times. Thanks
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Post by deb193redux on Sept 6, 2010 22:11:23 GMT -5
marble is often too soft to go with quartz. Granite can have mixed hardness and may shed small bits that scratch other rocks, or just expose pits on the granite.
I suggest you try just quartz.
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chassroc
Cave Dweller
Rocks are abundant when you have rocktumblinghobby pals
Member since January 2005
Posts: 3,586
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Post by chassroc on Sept 8, 2010 12:02:38 GMT -5
What Deb said... Quartz can be very challenging because it tends to frost rather than shine... Plastic pellets are a good idea, often essential, with quartz Charlie
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theelpistolero
off to a rocking start
Member since November 2010
Posts: 1
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Post by theelpistolero on Nov 8, 2010 19:57:50 GMT -5
What Deb said... Quartz can be very challenging because it tends to frost rather than shine... Plastic pellets are a good idea, often essential, with quartz Charlie I have tons of beautiful granite for a local granite yard. Was planning on breaking it up and polishing it. So is it unlikely to polish or does it just require special handling?
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Post by Toad on Nov 8, 2010 20:17:08 GMT -5
Depends on compopnents of granite. It often contains mica which is very soft and tends to tear out of the stones leaving pits behind. I'd discourage using granite. I had many frustrating experiences with it. Some folks have had limited luck withit.
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Post by deb193redux on Nov 8, 2010 23:51:52 GMT -5
if it is a solid granite like what could be polished for a countertop. But like Todd said, pitting is a potential problem
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Post by Toad on Nov 8, 2010 23:58:37 GMT -5
Even the 'solid' granite they use for countertops has to be sealed before it can be used for food prep.
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Post by johnjsgems on Nov 9, 2010 7:41:16 GMT -5
If you have the granite I would try it. Run it by itself. I recently refinished some granite counter tops and was amazed (after staring at and fighting scratches) how porous the stuff is. I've seen spheres cut from our local "river rock" granite that were really beautiful. Lots of variation.
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Post by susand24224 on Nov 14, 2010 2:02:01 GMT -5
Even if the granite pits on you, you may still have a pretty tumble when done. I've never gotten granite to have the finish of a solid harder rock, but the high spots will polish. It's actually rather interesting.
Susan
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