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L122 - Nicely Prepared 3.34 Inch Crotalocephalina gibbus Devonian Trilobite - Order 해남 장 Trilobites Aragonite will change to calcite

SKU: 74259451092
4.8
USD33.50 USD64.50 Plaza rate

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Ships within 48 hours · Estimated delivery Sep 18 - Sep 23

Description

Aragonite will change to calcite over timescales of days or less at temperatures exceeding 300 °C and vaterite is even less stable

Great collection of 8 specimens

Alternative combination: Endymionia bellatula

Terrestrial age: 4

Norway (2)

L122 - Nicely Prepared 3.34 Inch Crotalocephalina gibbus Devonian Trilobite - Order 해남 장 Trilobites Aragonite will change to calciteL122 Nicely Prepared 3. 34 Inch Crotalocephalina gibbus Devonian Trilobite Order SPECIES Crotalocephalus (Crotalocephalina) gibbus tifletenzis, Alberti (1969) AGE Lower Devonian, Pragian stage (~410 Million Years) LOCATION Alnif region, South Morocco FORMATION Hamar Lagdad Fm SIZE 85 mm 3. 34 in WEIGHT 224g REF. L122 Observations: Nicely preserved specimen.

Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
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