Russian Ammonite Quenstedticeras B tigers eye Serpentinite is a rock composed

Serpentinite is a rock composed predominantly of one or more serpentine group minerals

"Labradorescence" describes this optical property unique to labradorite

similar to its cousin Ocean Jasper

" meaning lemon

It is classified as a type of orbicular jasper

Russian Ammonite Quenstedticeras B tigers eye Serpentinite is a rock composedThese Quenstedticeras Ammonite come all the way from Russia. Quenstedticeras is a genus Upper Callovian (Middle Jurassic) ammonites known for their high quality, often pyritized and iridescent, fossils found primarily in Russia. These cephalopods, which lived in marine environments, are characterized by moderately evolute shells with strong, bifurcating ribs, forming a starburst pattern. Measuring 1. 4 inches in length, 1. 5 inches in height, and . 3