Ceratarges Spinosus Trilobite in Matrix from Morocco (2.7 lbs)

This alien-looking trilobite, known as Ceratarges ziregensis, has a strikingly otherworldly appearance. It's difficult to believe that this creature once roamed the ancient seas. Fou...

Trilobites, an early arthropod relative of spiders, horseshoe crabs, and scorpions, preserved in this level of detail only occurred as a result of very sudden underwater landslides called turbidite sequences, which ravaged the early earth when the continents were still very much on the move. The contorted body positions of the trilobites demonstrate a final fight against being buried alive. This is an extremely ornamented member of the trilobites' extremely well-known and globally distributed Lichid family. These trilobites have adapted for extreme defensiveness. Their long genal appendages afford them controlled escape from the water column...

Trilobites, an early arthropod relative of spiders, horseshoe crabs, and scorpions, preserved in this level of detail only occurred as a result of very sudden underwater landslides c...

Ptychopariida is a large, heterogeneous order of trilobite containing some of the most primitive species known. The earliest species occurred in the second half of the Lower Cambrian...

This crayon-colored specimen of yellow brucite crystals on a substantial matrix displays a waxy luster. This cheery and unique piece will brighten up any fine minerals collection. D...

This incredible specimen features a deep-blue cavansite crystal cluster on a creamy stilbite matrix. The contrast between the cavansite and the matrix creates an eye-catching piece. ...

PRODUCT INFORMATION: Specimen Type: Demantoid Green Garnet Crystal On Matrix Weight: 16.34 Grams Dimension: H: 3.2 x W: 2.3 x D: 2 Cm Origin: Iran Treatment: None DESCRIPTION: Dem...

Mica in an albite matrix. Albite is a type of feldspar mineral. Mica is formed from silicate which creates the delicate, glimmery sheets that combine and layer together. This combination of minerals creates a rare, museum-quality formation. This is also a very big specimen and weighs approximately 54 lbs or 24.5 kg. The albite and mica create a rare, sculptural, natural formation.