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Fossil Pyritized Ammonite Pleuroceras

$40.00 USD
TR210159

This specimen is a fossil of a single ammonite shell, Pleuroceras, from Jurassic age rocks in Buttenheim, Germany.

Miniature Specimen. About 5cm x 4cm x 2cm.

The outer shell material has been replaced by pyrite, which has been polished to further enhance its appearance, contrasting with the matte grey calcareous matrix. This specimen exhibits beautiful detailing of the ridged whorls of the shell. Small irregularities in this surface represent suture patterns or other post-death alterations of the shell.

If you would like to pick this item up at our store front, please select "pick up" during checkout. 

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(for Mineral and Fossil Specimens) 

    

DIMENSIONS

ABV.

      

SIZE NAME

    

MILLIMETERS

    

INCHES

    

DESCRIPTION

MT

      

Micromount

    

< 10mm

    

<3/8"

    

fits in standard micromount box; needs microscope to see crystals

TN

      

Thumbnail

    

2-30mm

    

1/16" to 1-1/8"

    

fits in standard 1.25" Perky box

MIN

      

Minature

    

30-64mm

    

1-1/8" to 2.5"

    

too large to fit in standard 1.25" Perky box

SMC

      

Small Cabinet

    

65-102mm

    

2.5" to 4"

    

smaller than apple; if rock or ore sample use "Hand Specimen"

LGC

      

Large Cabinet

    

103mm-152mm

    

4" to 6"

    

larger than apple smaller than grapefruit

XLC

      

Extra Large Cabinet

    

>150mm

    

>6"

    

aka Museum Specimen; larger than grapefruit but able to pickup