Turritella Cabochons

In one of those inconsistencies of the rock world, though it is not banded or translucent, this material is known as Turritella Agate

Although people have called this material Turritella Agate for several decades, the name is actually incorrect. It was mistakenly named after a genus of fossil snails that are very similar to the shells in the agate. The proper name of the snails is "Elimia tenera," a member of the Pleuroceridae family.

These snails are characterized by turreted, cone shaped shells exhibiting long slender whorls with spiral ribbing.  The shells of Elimia are distinguishable from real Turritella by being generally shorter and wider.  Ancestors of contemporary Turritella and Elimia have left countless shells in Earth's oceans for hundreds of millions of years, all the way back to the Lower Permian Period of the Paleozoic Era.

This semi precious fossil gemstone material Turritella Agate is from the early and middle parts of the Eocene Epoch, between around 53 and 42 million years ago. The spiral-shaped shells accumulated in the sediments of a shallow inland sea in an area that we now know as Wyoming.  A few lenses of snail-bearing sediment, in what is today known as the Green River Formation, were then agatized by the deposition of fine-grained silica into the cavities of the shells and the voids between them.

Turritella fossil cabochons are about a 7 hardness, wear well and take a good polish, and Turritella Agate cabochons are very unique and interesting!

  • Turritella Agate 30 mm by 18/ mm Gemstone Fossil Cabochon #3 Turritella Agate 30 mm by 18/ mm Gemstone Fossil Cabochon #3

    Turritella Agate Cabochon #3

    A smaller oval shaped semi precious gemstone brown fossil Turritella Agate designer cabochon that is 31 mm long by 18 mm wide and 5 mm thick. Turritella Agate is actually Turritella seashell that has been agatized or replaced by silica...

    $20.00
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  • Turritella Agate Semiprecious Gemstone Fossilized Cabochon #23 Turritella Agate Semiprecious Gemstone Fossilized Cabochon #23

    Turritella Agate Cabochon #23

    A smaller oval shaped semi precious gemstone brown fossil Turritella Agate designer cabochon that is 31 mm long by 18 mm wide and 5 mm thick. Turritella Agate is actually Turritella seashell that has been agatized or replaced by silica...

    $20.00
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  • Fossil Cabochon Turritella Agate Wyoming Gemstone Seashell #24 Fossil Cabochon Turritella Agate Wyoming Gemstone Seashell #24

    Turritella Agate Cabochon #24

    A smaller oval shaped semi precious gemstone brown fossil Turritella Agate designer cabochon that is 31.5 mm long by 18.5 mm wide and 5 mm thick. Turritella Agate is actually Turritella seashell that has been agatized or replaced by silica...

    $20.00
    Add to Cart
  • Turritella Agate Wyoming Fossil Cabochon #22 Turritella Agate Wyoming Fossil Cabochon #22

    Turritella Agate Cabochon #22

    A smaller oval shaped semi precious gemstone brown fossil Turritella Agate designer cabochon that is 31 mm long by 18 mm wide and 5 mm thick. Turritella Agate is actually Turritella seashell that has been agatized or replaced by silica...

    $20.00
    Add to Cart
  • Turritella Agate Semiprecious Gemstone Fossil Cabochon #21 Turritella Agate Semiprecious Gemstone Fossil Cabochon #21

    Turritella Agate Cabochon #21

    A smaller oval shaped semi precious gemstone brown fossil Turritella Agate designer cabochon that is 31 mm long by 18 mm wide and 5 mm thick. Turritella Agate is actually Turritella seashell that has been agatized or replaced by silica...

    $20.00
    Add to Cart
  • Turritella Agate Semiprecious Gemstone Fossil Cabochon #20 Turritella Agate Semiprecious Gemstone Fossil Cabochon #20

    Turritella Agate Cabochon #20

    A smaller oval shaped semi precious gemstone brown fossil Turritella Agate designer cabochon that is 31 mm long by 18 mm wide and 5 mm thick. Turritella Agate is actually Turritella seashell that has been agatized or replaced by silica...

    $20.00
    Add to Cart
  • Turritella Agate Semiprecious Gemstone Fossil Cabochon #19 Turritella Agate Semiprecious Gemstone Fossil Cabochon #19

    Turritella Agate Cabochon #19

    A smaller oval shaped semi precious gemstone brown fossil Turritella Agate designer cabochon that is 31 mm long by 18 mm wide and 5 mm thick. Turritella Agate is actually Turritella seashell that has been agatized or replaced by silica...

    $20.00
    Add to Cart
  • Turritella Agate Cabochon #12 Turritella Agate Cabochon #12

    Turritella Agate Cabochon #12

    An oval shaped semi precious gemstone brown fossil Turritella Agate designer cabochon that is 48 mm long by 27 mm wide and 6 mm thick. Turritella Agate is actually Turritella seashell that has been agatized or replaced by silica.  This...

    $48.00
    Add to Cart
  • Turritella Agate Semiprecious Gemstone Fossil Cabochon #18 Turritella Agate Semiprecious Gemstone Fossil Cabochon #18

    Turritella Agate Cabochon #18

    An oval shaped semi precious gemstone brown fossil Turritella Agate designer cabochon that is 40 mm long by 24 mm wide and 6 mm thick. Turritella Agate is actually Turritella seashell that has been agatized or replaced by silica.  This...

    $36.00
    Add to Cart
  • Turritella Agate Semiprecious Gemstone Fossil Cabochon #17 Turritella Agate Semiprecious Gemstone Fossil Cabochon #17

    Turritella Agate Cabochon #17

    A smaller oval shaped semi precious gemstone brown fossil Turritella Agate designer cabochon that is 31 mm long by 18 mm wide and 5 mm thick. Turritella Agate is actually Turritella seashell that has been agatized or replaced by silica...

    $20.00
    Add to Cart
  • Turritella Agate Semiprecious Gemstone Fossil Cabochon #16 Turritella Agate Semiprecious Gemstone Fossil Cabochon #16

    Turritella Agate Cabochon #16

    An oval shaped semi precious gemstone brown fossil Turritella Agate designer cabochon that is 48 mm long by 26.5 mm wide and 6 mm thick. Turritella Agate is actually Turritella seashell that has been agatized or replaced by silica.  This...

    $48.00
    Add to Cart
  • Turritella Agate Semiprecious Gemstone Fossil Cabochon #15 Turritella Agate Semiprecious Gemstone Fossil Cabochon #15

    Turritella Agate Cabochon #15

    A smaller oval shaped semi precious gemstone brown fossil Turritella Agate designer cabochon that is 40 mm long by 24 mm wide and 6 mm thick. Turritella Agate is actually Turritella seashell that has been agatized or replaced by silica...

    $36.00
    Add to Cart
  • Turritella Agate Semiprecious Gemstone Fossil Cabochon #14 Turritella Agate Semiprecious Gemstone Fossil Cabochon #14

    Turritella Agate Cabochon #14

    A smaller oval shaped semi precious gemstone brown fossil Turritella Agate designer cabochon that is 31 mm long by 18 mm wide and 5 mm thick. Turritella Agate is actually Turritella seashell that has been agatized or replaced by silica...

    $20.00
    Add to Cart
  • Turritella Agate Semiprecious Gemstone Fossil Cabochon #13 Turritella Agate Semiprecious Gemstone Fossil Cabochon #13

    Turritella Agate Cabochon #13

    A smaller oval shaped semi precious gemstone brown fossil Turritella Agate designer cabochon that is 31 mm long by 18 mm wide and 5 mm thick. Turritella Agate is actually Turritella seashell that has been agatized or replaced by silica...

    $20.00
    Add to Cart
  • Turritella Agate Semiprecious Gemstone Fossil Cabochon #1 Turritella Agate Semiprecious Gemstone Fossil Cabochon #1

    Turritella Agate Cabochon #1

    An oval shaped semi precious gemstone brown fossil Turritella Agate designer cabochon that is 48 mm long by 27 mm wide and 6 mm thick. Turritella Agate is actually Turritella seashell that has been agatized or replaced by silica.  This...

    $48.00
    Add to Cart
  • Turritella Agate Cabochon #11 Turritella Agate Cabochon #11

    Turritella Agate Cabochon #11

    A large ladder shaped semi precious gemstone brown fossil Turritella Agate designer cabochon that is 52 mm long by 23 to 29 mm wide and 5 mm thick. Turritella Agate is actually Turritella seashell that has been agatized or replaced by silica...

    $50.00
    Add to Cart
  • Turritella Agate Semiprecious Gemstone Fossil Cabochon #10 Turritella Agate Semiprecious Gemstone Fossil Cabochon #10

    Turritella Agate Cabochon #10

    An oval shaped semi precious gemstone brown fossil Turritella Agate designer cabochon that is 48 mm long by 27 mm wide and 6 mm thick. Turritella Agate is actually Turritella seashell that has been agatized or replaced by silica.  This...

    $48.00
    Add to Cart
  • Turritella Agate Cabochon #9 Turritella Agate Cabochon #9

    Turritella Agate Cabochon #9

    A large ladder shaped semi precious gemstone brown fossil Turritella Agate designer cabochon that is 52 mm long by 23 to 29 mm wide and 5 mm thick. Turritella Agate is actually Turritella seashell that has been agatized or replaced by silica...

    $50.00
    Add to Cart
  • Turritella Agate Cabochon #8 Turritella Agate Cabochon #8

    Turritella Agate Cabochon #8

    A large ladder shaped semi precious gemstone brown fossil Turritella Agate designer cabochon that is 52 mm long by 23 to 29 mm wide and 5 mm thick. Turritella Agate is actually Turritella seashell that has been agatized or replaced by silica...

    $50.00
    Add to Cart
  • Turritella Agate Cabochon #7 Turritella Agate Cabochon #7

    Turritella Agate Cabochon #7

    A large ladder shaped semi precious gemstone brown fossil Turritella Agate designer cabochon that is 52 mm long by 23 to 29 mm wide and 5 mm thick. Turritella Agate is actually Turritella seashell that has been agatized or replaced by silica...

    $50.00
    Add to Cart
  • Turritella Agate Cabochon #6 Turritella Agate Cabochon #6

    Turritella Agate Cabochon #6

    A large ladder shaped semi precious gemstone brown fossil Turritella Agate designer cabochon that is 52 mm long by 23 to 29 mm wide and 5 mm thick. Turritella Agate is actually Turritella seashell that has been agatized or replaced by silica...

    $50.00
    Add to Cart
  • Turritella Agate Cabochon #5 Turritella Agate Cabochon #5

    Turritella Agate Cabochon #5

    A large ladder shaped semi precious gemstone brown fossil Turritella Agate designer cabochon that is 52 mm long by 23 to 29 mm wide and 5 mm thick. Turritella Agate is actually Turritella seashell that has been agatized or replaced by silica...

    $50.00
    Add to Cart
  • Turritella Agate Cabochon #4 Turritella Agate Cabochon #4

    Turritella Agate Cabochon #4

    52 mm long by 23 to 29 mm wide A large ladder shaped semi precious gemstone brown fossil Turritella Agate designer cabochon that is 52 mm long by 23 to 29 mm wide and 5 mm thick. Turritella Agate is actually Turritella seashell that has been agatized...

    $50.00
    Add to Cart
  • Turritella Agate Cabochon #2 Turritella Agate Cabochon #2

    Turritella Agate Cabochon #2

    52 mm long by 23 to 29 mm wide A large ladder shaped semi precious gemstone brown fossil Turritella Agate designer cabochon that is 52 mm long by 23 to 29 mm wide and 5 mm thick. Turritella Agate is actually Turritella seashell that has been agatized...

    $50.00
    Add to Cart