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Post by stardiamond on Aug 27, 2023 16:29:33 GMT -5
I started with a large, thin piece of Tahoma rough. The layers of different material can be thin and the layers follow the contours of the rock. I glued the piece to the board and cut a face at the highest point. I trimmed around the high point to see how thick the layers were and ended up with a piece that represented the high point of the material. I marked a line parallel to the face and cut a 3/8 slab which is twice the thickness of the top layer so the pattern will not go away when doming. I split a piece of Montana with the slab saw and trimmed the slab into preforms. I also evened two of the smaller Tahoma pieces, created a flat bottom and a preform shape. The other five preforms are Howardite slabs that I cut a while ago.
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Post by stardiamond on Aug 29, 2023 14:14:09 GMT -5
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Post by stardiamond on Aug 29, 2023 14:18:39 GMT -5
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Post by stardiamond on Sept 1, 2023 14:59:59 GMT -5
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johnthor1963
starting to spend too much on rocks
Cattle dogs rock
Member since June 2023
Posts: 236
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Post by johnthor1963 on Sept 2, 2023 9:22:22 GMT -5
Outstanding material the shapes that you have chosen for each piece is remarkable. The thought process of each piece that you shared with us is helpful to others. Thx for sharing
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Post by drocknut on Sept 2, 2023 9:36:55 GMT -5
That last one in the first set of pictures is stunning. I believe you said it is Howardite. It looks almost brecciated. Pardon my drool. All the others are great too. I know I have some Tahoma Agate in the storage unit. I got it a long time ago and never cut it. Guess it intimidated me.
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Post by stardiamond on Sept 2, 2023 12:19:17 GMT -5
That last one in the first set of pictures is stunning. I believe you said it is Howardite. It looks almost brecciated. Pardon my drool. All the others are great too. I know I have some Tahoma Agate in the storage unit. I got it a long time ago and never cut it. Guess it intimidated me. The Howardite is the new material. With the old material, you hoped for the rattlesnake pattern otherwise there was nothing. It was also very fragile and now rare. The new material is much sturdier and has a wider variety of looks. The cab is not brecciated. The material is described as 'opalized/silicate volcanic tuff' This cab is mainly clear material with non clear floating in it and has a surface vug that allows you to look inside the cab.
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