jasonshort
starting to spend too much on rocks
Member since June 2019
Posts: 113
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Post by jasonshort on Jul 1, 2019 16:16:20 GMT -5
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Post by miket on Jul 1, 2019 16:58:39 GMT -5
Pretty sure it's Turritella Agate, someone will correct me if I'm wrong. I have a small slab of it also but haven't worked it yet.
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Post by fernwood on Jul 2, 2019 2:53:52 GMT -5
Yes, Turitella. This looks like a pretty solid slab. You should be able to cut/polish it.
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Fossilman
Cave Dweller
Member since January 2009
Posts: 20,680
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Post by Fossilman on Jul 2, 2019 9:30:43 GMT -5
Slab away with it, polishes great also.... Nice fossil death plate (as we call them)...
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Post by Peruano on Jul 3, 2019 7:18:08 GMT -5
As you can see on the chunk you posted, it often has areas that are well formed and others that are softer (crumble). Sometimes the spacing of matrix to fossil shells varies and an apparently solid piece will fragment on the edge during the tumbling process. But usually it takes a nice shine, exits largely intact and if needed you can reshape or cut back a problematic edge. I slab and preform, then tumble polish, and only then often go back to the sander/polisher to address the repair that is often necessary. Have fun. Friends, family, and associates like it.
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Don
Cave Dweller
He wants you too, Malachi.
Member since December 2009
Posts: 2,616
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Post by Don on Jul 3, 2019 9:40:55 GMT -5
Turritella agate. Slab it parallel to the rough side for the best pattern.
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