Large Natural Pyrite Cube in Matrix | Spain ammonite Trilobites are a group of

Trilobites are a group of extinct marine artiopodan arthropods that form the class Trilobita

Shafts are drilled down 100 to 200 feet below the surface to the geode bearing white clay

Olenellus chiefensis was likely a benthic organism that inhabited shallow marine environments with soft substrates

Brittleness: Breaks or shatters rather than bends

Large Natural Pyrite Cube in Matrix | Spain ammonite Trilobites are a group ofThese pyrite cubes may appear to be man made at first, but they are in fact completely natural! Originating from the "Ampliacin a Victoria" mine near Navajn, Spain, these cubes are renowned for their stunning shine, near perfect cubic formation, and sculptural appearance. A must have for any mineral collector! Cube size approx 23mm x 25mm Matrix approx 2. 5" x 1. 5"