rocknewb101
fully equipped rock polisher
Member since October 2022
Posts: 1,368
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Post by rocknewb101 on Jan 31, 2023 11:01:28 GMT -5
My best advice for learning to cab would be to take some of your appropriately sized (not too thick) tumbles and try enhancing them. As you learn to remove bumps, divots, and improve outer edge contours, you will be gaining experience in how to remove material when working with a slabbed preformed cabachon. The cardinal rule is to remove material from the edges before you ever venture toward the center dome of the stone. You are basically moving the shape from the edge to the center. They are just stones, they didn't cost much and therefore you can experiment as much as you want with them and learn in the process. Adelante. Peruano - great advice! I just purchased a small trim saw and was thinking of taking some of my more poorly tumbled rocks, making small slabs (if needed) and seeing if I could do anything with them on the slant cab. Appreciate this info!
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Post by Peruano on Jan 31, 2023 13:30:16 GMT -5
Absolutely, slicing up tumbled stones can produce instant cabs; and yes some of them need remedial attention. In fact, I think correcting deficiencies in shape or doming of stones is a great learning technique for cabbing. Slicing off the top of a tumbled stone produces a cab and its up to you to decide if its shape, doming etc are acceptable or to go after it with the grind and polish ordeal. If you want to be precise about slicing up those little tumbled stones, glue them onto a 2x2 block of wood so that at least one edge is above the edge of the wood (i.e. the wood will slide on your trim saw while holding the stone). Use carpenters glue and let it setup for 24 hrs at room temp. Then you can slide the block along the surface of the trim saw and your stone will stay perpendicular to your saw blade and make cutting an uniform thickness much easier. It's a poor man's vice. Cut the last piece off of the stub with a wood saw and a 24 hr soak in soapy water will allow the water to penetrate the thin layer of wood and dissolve the glue freeing the last slab of stone.
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rocknewb101
fully equipped rock polisher
Member since October 2022
Posts: 1,368
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Post by rocknewb101 on Jan 31, 2023 14:55:34 GMT -5
Absolutely, slicing up tumbled stones can produce instant cabs; and yes some of them need remedial attention. In fact, I think correcting deficiencies in shape or doming of stones is a great learning technique for cabbing. Slicing off the top of a tumbled stone produces a cab and its up to you to decide if its shape, doming etc are acceptable or to go after it with the grind and polish ordeal. If you want to be precise about slicing up those little tumbled stones, glue them onto a 2x2 block of wood so that at least one edge is above the edge of the wood (i.e. the wood will slide on your trim saw while holding the stone). Use carpenters glue and let it setup for 24 hrs at room temp. Then you can slide the block along the surface of the trim saw and your stone will stay perpendicular to your saw blade and make cutting an uniform thickness much easier. It's a poor man's vice. Cut the last piece off of the stub with a wood saw and a 24 hr soak in soapy water will allow the water to penetrate the thin layer of wood and dissolve the glue freeing the last slab of stone. Ahhh - great suggestions! I will give that a go! Thank you!!
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rockbrain
Cave Dweller
Member since January 2022
Posts: 3,176
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Post by rockbrain on Jan 31, 2023 16:09:35 GMT -5
I think I've got one of your cab's relatives. I found it up the coast a couple hundred miles north from yours.
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rocknewb101
fully equipped rock polisher
Member since October 2022
Posts: 1,368
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Post by rocknewb101 on Feb 1, 2023 8:20:23 GMT -5
OOOOh rockbrain - that looks very much like the one's I found. It's so pretty - love the different components to it. I have a small black stone like this in my vibe right now that is shining up so nicely. those will be done tonight.
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