Trilobite "Leonaspis" 54ae84a50a7fc8c5f139ad2bf1ddad0f Pectolite is an acid silicate

Pectolite is an acid silicate hydrate of calcium and sodium

and even microorganism (like bacteria) are found in amber

perhaps some of the fastest dinosaurs to exist

Both blue and white Zircon are known to have a higher reflection rate than diamonds

The concept of private property and ownership emerged for things such as land

Trilobite "Leonaspis" 54ae84a50a7fc8c5f139ad2bf1ddad0f Pectolite is an acid silicateWith its long and sweeping spins and short protrusions off its free cheeks the Leonaspis Trilobite is easily identified. It was an eloquent and graceful looking marine creature that any collector should have. This Leonaspis measures ~ 1 1 2" x 1 1 2" and its position in its matrix almost gives a feel of movement, as it curves slightly upwards. Devonian period: 395 m. y. a. Morocco