Turritella agate rough slab, 28x30x5.5 mm, natural, Elimia tenera snails (rs71493)
Turritella agate rough slab
Origin: Wyoming or Colorado
Despite its name, “Turritella agate” is not made of fossil snails of the genus Turritella but the name has persisted for a long time. The snails are actually properly referred to as Elimia tenera, in the family Pleuroceridae.
Elimia agate comes from the Green River Formation in Southwestern Wyoming, Northeastern Utah, and Northwestern Colorado, found in layers deposited in a series of ancient lakes, in the early and middle parts of the Eocene Epoch, between around 53 and 42 million years ago.
Characteristics: This example is a very gemmy dense chalcedony, it doesn't contain the pits and fractures found in a lot of this agate. Unfinished. Preformed, ready to cab.
Approx size : 24 x 41 x 5.5 mm, Weight: 12g (59.5 ct).
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Preformed slabs: I try and remove all or most of the pits and open fractures to give you a more acceptable slab. I also try my best to smooth out all the edges and the front and back.
Finishing purchased slabs: My recommendations are for you to start with 320 diamond grit and finish with 600 grit before polishing. I have created several posts that show how I create cabs, see my website blog on Designsbyshirl.
My pictures: I use a full spectrum 45 w light bulb - photography photo CFL 5500K. It's a daylight balanced pure white light.
My first 2 pictures (front and back) show items wet, this brings out the colors you should see in a finished product. Other pictures show items dry, this should show imperfections (small cracks or pits) if there are any. Contact us if you have any questions. Translucent items will have at least one picture taken with a backlight.
An 18 mm dime or 24mm quarter and 10 mm background squares in some pictures should help you with image sizing.
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