11024 - Great 2.28 Inch Dicranurus monstrosus Lower Devonian Trilobite Sudulella solita Optically clear transparent fluorite lenses

Optically clear transparent fluorite lenses have low dispersion

Hapsiceraurus

Oryctocara

Measurements of stone 13x10x3mm

the cephalic spine during the preparation process has been fractured and glued again

11024 - Great 2.28 Inch Dicranurus monstrosus Lower Devonian Trilobite Sudulella solita Optically clear transparent fluorite lensesScientific name: Dicranurus monstrosus Location: Atchana, Morocco Geological Formation: Lhandar Formation Age: Lower Devonian (Pragian Stage) 408 Million years Size: 4. 3cm x 5. 8cm DESCRIPTION: It has been prepared using mainly abrasive methods, partially extracting it from the limestone in which it was found. It has been prepared as partial free standing. This type of preparation requires meticulous work of tens of hours. Of course, some of the free