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Post by cabby on Jul 6, 2024 9:09:05 GMT -5
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Post by rockjunquie on Jul 6, 2024 9:13:15 GMT -5
To be very honest, I'd call it leaverite.
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Yard rock
Jul 6, 2024 9:50:40 GMT -5
via mobile
Post by cabby on Jul 6, 2024 9:50:40 GMT -5
Personally, I do like this rock and have tentative plans for it. Know it isn’t to everyone’s taste! Was showing my example but since I have more onyx, I was wondering in general what they tend to be called as lapidary materials
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Post by rockjunquie on Jul 6, 2024 10:00:44 GMT -5
I don't know- to me, judging by the picture, it looks like some kind of agate.
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Yard rock
Jul 6, 2024 10:05:01 GMT -5
via mobile
Post by cabby on Jul 6, 2024 10:05:01 GMT -5
I don't know- to me, judging by the picture, it looks like some kind of agate. Hmm, I’ve noticed a lot of layered seam chalcedony being called whatever agate… is onyx just called “agate” then? I started off with learning to identify my local rocks by mineral composition, so I’m still trying to learn what they are called from a lapidary perspective.
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Mark K
Cave Dweller
Member since April 2012
Posts: 2,751
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Post by Mark K on Jul 6, 2024 10:16:01 GMT -5
Onyx is completely different than agate or jasper. What you have is some sort of jasper. I don't find it real appealing myself either, but that doesn't matter because you like it and that is what counts. There is a lot of material that others pay a fortune for that I wouldn't even pick up off of the ground. Go for it, make something cool. You will like it and there are plenty of others who will think it is really groovy.
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Post by rockjunquie on Jul 6, 2024 10:25:34 GMT -5
Yeah, agate and onyx are vastly different.
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Yard rock
Jul 6, 2024 10:27:12 GMT -5
via mobile
Post by cabby on Jul 6, 2024 10:27:12 GMT -5
Onyx is completely different than agate or jasper. What you have is some sort of jasper. I don't find it real appealing myself either, but that doesn't matter because you like it and that is what counts. There is a lot of material that others pay a fortune for that I wouldn't even pick up off of the ground. Go for it, make something cool. You will like it and there are plenty of others who will think it is really groovy. I know that different materials get called onyx… I was using it the way Wikipedia describes it… yeah, this is getting really confusing! It’s a fruit vs vegetable situation, the lingo changes depending on if you are in talking to a botanist or a chef… my original interest was geology so I learned that terminology first, and am trying to figure out how to translate it. I consider jasper an opaque chalcedony. Translucent chalcedony is agate, onyx, or simply chalcedony depending on the pattern (agate=onion, onyx= parallel bands). How are those terms used from the lapidary perspective?
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Post by chris1956 on Jul 6, 2024 10:45:38 GMT -5
Personally, I do like this rock and have tentative plans for it. Know it isn’t to everyone’s taste! Was showing my example but since I have more onyx, I was wondering in general what they tend to be called as lapidary materials Well, I don't care what others think, you can leverite with me. I see some Christmas ornaments in its future.
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Post by cabby on Jul 6, 2024 11:01:08 GMT -5
Personally, I do like this rock and have tentative plans for it. Know it isn’t to everyone’s taste! Was showing my example but since I have more onyx, I was wondering in general what they tend to be called as lapidary materials Well, I don't care what others think, you can leverite with me. I see some Christmas ornaments in its future. My cast iron radiators have been exposed since I bought this house. I plan to make covers for them and have the tops be mosaics made from rocks dug up on the property. Also plan to try using it for cabbing but realized that I don’t know what to call it, since onyx is used for something else…
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Post by chris1956 on Jul 6, 2024 11:24:30 GMT -5
Well, I don't care what others think, you can leverite with me. I see some Christmas ornaments in its future. My cast iron radiators have been exposed since I bought this house. I plan to make covers for them and have the tops be mosaics made from rocks dug up on the property. Also plan to try using it for cabbing but realized that I don’t know what to call it, since onyx is used for something else… Probably what others have said. Quartz or chalcedony of some sort with who knows what that is making the color. That is the problem with rocks from Wisconsin and Michigan. You seldom know where they may have come from and you don't find a "deposit" of them. You might check to see how well it will polish. I have found a few similar looking rocks in Michigan and sometimes they have portions that undercut.
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Mark K
Cave Dweller
Member since April 2012
Posts: 2,751
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Post by Mark K on Jul 6, 2024 14:03:00 GMT -5
Onyx is completely different than agate or jasper. What you have is some sort of jasper. I don't find it real appealing myself either, but that doesn't matter because you like it and that is what counts. There is a lot of material that others pay a fortune for that I wouldn't even pick up off of the ground. Go for it, make something cool. You will like it and there are plenty of others who will think it is really groovy. I know that different materials get called onyx… I was using it the way Wikipedia describes it… yeah, this is getting really confusing! It’s a fruit vs vegetable situation, the lingo changes depending on if you are in talking to a botanist or a chef… my original interest was geology so I learned that terminology first, and am trying to figure out how to translate it. I consider jasper an opaque chalcedony. Translucent chalcedony is agate, onyx, or simply chalcedony depending on the pattern (agate=onion, onyx= parallel bands). How are those terms used from the lapidary perspective? The onion thing is just fortification banding. One of many types of agate presentations. Water level agate has the parallel bands.
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