dshanpnw
fully equipped rock polisher
Member since December 2020
Posts: 1,158
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Post by dshanpnw on Nov 6, 2023 11:10:33 GMT -5
Thanks to all in this thread. I was going to create a new thread about what is the standard for slab thickness or thinness, but I think I got my answers. Thin is okay especially for smaller cabs and it totally depends on what your purpose for the cab and what type of stone it is to start with. I do prefer 1/4" or 6mm. I haven't made any smaller cabs such as for earrings or rings, I have made only pendant sized ones.
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gunsil
spending too much on rocks
Member since January 2023
Posts: 345
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Post by gunsil on Nov 6, 2023 12:24:51 GMT -5
IMHO----Betweem 6 & 8 mm. That is what I slab out on my saw, or purchase at rock shows. Less than 6mm, a bezel and a dome are iffy at best. I go above 8mm if I want a distinct bezel and a high dome. Those 3-5mm slabs may be pretty as a specimen, though! I always carry my calipers, LED flash light and scale when going to shows etc. On line, if they do not provide depth, than I would pass on the stone.
I agree with bmw, I like thick slabs and cabs. If I am making little cabs like 18x13mm 6mm is fine but I often make larger pendants and I like a high dome so I sometimes slab at 8mm. I also use thinner material for earring stones on occasion but I like those 6-8mm thick slabs.
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Post by rmf on Nov 6, 2023 18:31:45 GMT -5
Depending on the size of cabs you want to cut. Real big cabs need more height. Many slab saws use a standard 1 crank of the cross feed = 1/16" For 1/4" slabs crank 4 times. I prefer 5 cranks or 5/16" thick normally. However Montana Agate I like thinner and as stated above too thick = more waste and more grinding time. so to answer your question it is like old incontinent people "it depends"
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