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Post by Deleted on Jul 3, 2015 1:43:29 GMT -5
I was talking to a hounder somewhere ???? and he told me about some people windowing Montanas and using a laser to figure out which way to cut them. I guess if the light went through the entire stone you would be on the same plane as the layers of color. Have not tried it because all that I find are not big enough to need to do that. Jim
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Post by catmandewe on Jul 3, 2015 8:52:01 GMT -5
I was talking to a hounder somewhere ? and he told me about some people windowing Montanas and using a laser to figure out which way to cut them. I guess if the light went through the entire stone you would be on the same plane as the layers of color. Have not tried it because all that I find are not big enough to need to do that. Jim Jim, Would that be like a laser pointer? Sounds like something to try since I have a few thousand pounds to play with. Tony
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Member since January 1970
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Post by Deleted on Jul 3, 2015 10:17:07 GMT -5
I was talking to a hounder somewhere ???? and he told me about some people windowing Montanas and using a laser to figure out which way to cut them. I guess if the light went through the entire stone you would be on the same plane as the layers of color. Have not tried it because all that I find are not big enough to need to do that. Jim Jim, Would that be like a laser pointer? Sounds like something to try since I have a few thousand pounds to play with. Tony I am not sure Tony but it seems to me like it would work. This was pointed out to me way before I was into rocks and when I was writing the above it seemed like "expensive" went through my mind at the time so it may have been before you could get a laser like thing on a key chain. A couple of years ago my grandson, son and I were shining a laser pointer through some stones and it zipped through it pretty good. I am quite sure that my grandson lost the laser pointer if not hours, just days after he got it so I can not do any testing at this time. lol I have a new 150 or 180 something lumen flashlight that will light up a rock (and eyeballs) pretty good which would help some but it scatters the light real bad compared to the laser so it could be reflecting light around inside. I have not put it up to a Montana since I got it though. The Montana agate that I find around here is pretty much small, clear or root beer and darker with few dendrites. Jim
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Post by orrum on Jul 3, 2015 10:25:43 GMT -5
Laser me oh my. Bet it would pic up small fractures in facet grade gemstone too then!
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Post by stardiamond on Jul 3, 2015 11:20:13 GMT -5
I think I'm getting the hang of where to cut. First of all, you can't make something from nothing and there is a lot of nothing Montana or Montana with color just on the surface of a broken piece. I studied the pieces before cutting and then made an exploratory cut. If I got the orientation right, I would glue the face to a board. If I didn't, I would make another cut at the other end of the piece parallel to the first cut so I could rotate the rock 90 degrees to cut another face. My limitations with the Covington vise dictated a lot of how I cut. This worked well for color. Dendrites are an entirely different matter and I didn't get much good material with dendrites.
Given a pile of Montana nodules, I believe I could pick out the ones that had good color. Fractures and dendrites are another matter.
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Post by orrum on Jul 3, 2015 11:30:17 GMT -5
You need a TUMBLER NOW!!!!
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