Trilobites Flexicalymene - Fossil Specimen chlorite group mineral Its presence on goethite highlights

Its presence on goethite highlights the interplay of manganese and iron oxides during late-stage mineralization

Appearance: Opaque

and are refillable with most standard ballpoint pen refills or with the core of most disposable pens

Weight: 3lb

Trilobites Flexicalymene - Fossil Specimen chlorite group mineral Its presence on goethite highlightsMined from: Morocco Era: Paleozoic Geological Age: Devonian, approximately 419359 mya Species: Flexicalymene ouzregui Description: This one of a kind Flexicalymene trilobites fossil specimen features two dark trilobites preserved in a dramatic upright composition on a prepared light limestone base. The contrast between the black fossil material and the pale matrix makes the forms stand out clearly, especially the ribbed thoracic segments and rounded