Welcome to the Rock Tumbling Hobby Forum where we share a love of rocks and a sense of community as enduring as the stones we polish. The RTH Forum of www.RockTumbling.com is an Amazon Associate site and we earn money from qualifying purchases you make after clicking on our links such as this Rock Tumbling Supplies on Amazon link for instance, or any of our various product ads and banners. By clicking our links every time you begin your Amazon shopping experience, you are generating a bit of revenue for the forum which helps us cover our expenses. Thank you for your support!

If you cannot see Amazon ad banners directly below this text, please whitelist this site in your ad blocker(s). The ads below have been hand-selected for relevant content, and your patronage directly benefits this forum community, thanks!

Reply

Trying to polish a geode slab

« Prev
1
Next »

unc2three
off to a rocking start

Member since August 2017
Posts: 8

Trying to polish a geode slab Sept 9, 2017 11:32:50 GMT -5 via mobile

Quote

Post by unc2three on Sept 9, 2017 11:32:50 GMT -5

Hey everyone, I'm new to the board and new to polishing geode slabs in general. I have done lot of research on how to do it etc. I can't really afford a lapidary machine so I started with a car buffing hand rotary machine. The slabs I bought were already cut and were already very smooth with slight saw marks. I attached 600 grit sandpaper to the wheel and sanded for about 10-15 minutes. I then went to 800 grit and it was starting to get shiny, the edges are polished perfectly but I'm not getting the shiny polish look all over the rock, just the edges. I then used 1200 grit and it was a little better. But I don't understand why the edges are polished and the rest of the rock isn't. The slab is flat and even with the polishing wheel so it's not favoring the edges. I'd post a pic but not sure how yet. Any help is appreciated. Thanks

Chad

Deleted Deleted Member Member since January 1970 Posts: 0	Trying to polish a geode slab Sept 9, 2017 14:13:46 GMT -5 via mobile Pat likes this Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by Deleted on Sept 9, 2017 14:13:46 GMT -5 Take a colored pencil and make lines all over the surface of the geode. Then put it on the wheel. Just a few seconds. Then see if all of the marks are gone. If not, the stone ain't flat.

coloradocliff
driving up their electric bill

Member since May 2017
Posts: 2,778

Trying to polish a geode slab Sept 9, 2017 15:39:48 GMT -5

Quote

Post by coloradocliff on Sept 9, 2017 15:39:48 GMT -5

Good morning Chad and welcome to the family. If you stick around a few hundred posts you'll really learn some cool and inexpensive ways to get your rocks shiny. Know that the polish we generally polish with is at is even finer. The finer the polish the better the shine is on most materials. Stay course till the saw marks are ALL gone. Get over a 1000 on the grit and that will help the shine a lot.

« Prev
1
Next »

Chat Box v.2

This space is for temporary chat only and all posts drop off automatically and are not saved.
Members with real questions or comments that need an actual response, please post on the main forum - not here!
Casual PG-13 posts only, no politics or religion please!

(happy098)

Nov 14, 2024 23:45:10 GMT -5

RickB:

Nov 15, 2024 7:10:24 GMT -5

rocknrob: Holey Moooley Nov 15, 2024 11:53:09 GMT -5

vegasjames: Must be a Swiss cow. You know, these are only cows you can get Swiss cheese from. (laugh)

(laugh)

Nov 15, 2024 17:44:51 GMT -5

RickB:

(smart)

Nov 15, 2024 18:09:19 GMT -5

parfive: The Scooter knows. Nov 16, 2024 0:36:53 GMT -5

RickB: In theme with things - today is National Bread Day Nov 17, 2024 6:53:42 GMT -5

dshanpnw: The slice of life. Nov 17, 2024 9:35:37 GMT -5 *

parfive: The greatest thing in its day. Nov 18, 2024 13:57:33 GMT -5

Nov 19, 2024 12:31:50 GMT -5

RickB: Stop loafing and take your buns to Agate Beach after the storm Nov 20, 2024 11:57:52 GMT -5 *

amygdule: The Ocean is still tumbling with 20 foot waves...11/20/2024

Nov 20, 2024 20:08:47 GMT -5

Nov 20, 2024 21:54:31 GMT -5

rocknrob: That was one heck of a windstorm that thankfully missed me. I guess Seatac almost hit 60mph gusts. I bet those were some fun landings Nov 20, 2024 21:55:16 GMT -5

rocknrob: I'll always love my pet rock, he's such a geode boy. Nov 22, 2024 9:27:33 GMT -5

RickB:

Nov 24, 2024 6:28:13 GMT -5 *

amygdule: The best thing about Pet Rocks is that you don't have to feed them, Just keep them warm and dry... Nov 24, 2024 21:41:53 GMT -5 *

RickB: ...feed them grits, add water and tumble them. Nov 25, 2024 6:42:48 GMT -5 *

amygdule: Rocks, Grit & Cheese make good Slurry @45 RPM... Nov 25, 2024 22:57:42 GMT -5 *

RickB:

Nov 26, 2024 6:16:51 GMT -5

Cloudinary Upload Settings

Fill in the next two fields by clicking here to make a cloudinary account

Cloudinary Cloud Name This is given to you at the time of registering a cloudinary account. You can also see it by going to your management console. Click the link to the left.

This is given to you at the time of registering a cloudinary account. You can also see it by going to your management console. Click the link to the left.

Cloudinary Upload Preset Esnure that the upload preset allows unsigned uploads. Click the link to the left

Esnure that the upload preset allows unsigned uploads. Click the link to the left

Choose which sources to upload from

Local Search Upload a file from your local device. Adds the My Files tab.

Upload a file from your local device. Adds the My Files tab.

URL

Upload a file from a remote location. Adds the Web Address tab.

Camera $Upload an image file via the device\'s camera. Adds the Camera tab. Note: Desktop/laptop only - a mobile device\'s camera is accessed through the \'local\' tab.$ Facebook Upload an image from a Facebook account. Adds the Facebook tab.

Upload an image from a Facebook account. Adds the Facebook tab.

Google photos Upload images or videos from a Google Photos account. Adds the Google Photos tab.

Upload images or videos from a Google Photos account. Adds the Google Photos tab.

Instagram

Upload an image from an Instagram account. Adds the Instagram tab.

Choose a theme for the widget from Cloudinary's premade themes

File uploads still not working? Contact the author for one-on-one help! Save Cloudinary Settings

Welcome to the Rock Tumbling Hobby Forum where we share a love of rocks and a sense of community as enduring as the stones we polish. The RTH Forum of www.RockTumbling.com is an Amazon Associate site and we earn money from qualifying purchases you make after clicking on our links such as this Rock Tumbling Supplies on Amazon link for instance, or any of our various product ads and banners. By clicking our links every time you begin your Amazon shopping experience, you are generating a bit of revenue for the forum which helps us cover our expenses. Thank you for your support!