The size of olivine crystals range 0
There have been many studies on this sauropod
Photomicrograph showing brown hornblende crystals in a mass of highly sericitized plagioclase with very fine grain size
3 Type spec location: MNB Main mass: Said Yousfi Comments: Submitted by Ansgar Greshake
slowly drawn during millions of years via fossil-diagenetic processes
08318 - Nicely Preserved 2.50 Inch Hollardops merocristata Middle Devonian Mawsonia The size of olivine crystalsNicely well preserved and prepared specimen. Nice eyes facets. Hollardops sp, Morzadec 1997 (trilobite) Trilobita Phacopida Acastidae Synonyms: Modellops Lieberman and Kloc 1997 (no. 259054), Philipsmithiana Lieberman and Kloc 1997 (no. 259046) Parent taxon: Acastidae according to P. A. Jell and J. M. Adrain 2002 See also Lieberman and Kloc 1997 Sister taxa: Acastava, Acaste, Acastella, Acastellina, Acastocephala, Acastoides, Acastopyge, Alcaldops,