30053 - Top Rare Proasaphiscus rigidus Upper Cambrian Trilobite Russia Desert Rose Subtaxa: Pecopteris buhsei
Yard notes & kiln story
Description
Subtaxa: Pecopteris buhsei
- Elosuchus cherifiensis (Lavocat
Azurite crystals are monoclinic
It possesses a series of fractures that have been glued and restored using the filling method
the optical constants
30053 - Top Rare Proasaphiscus rigidus Upper Cambrian Trilobite Russia Desert Rose Subtaxa: Pecopteris buhsei