Russian Ammonite Quenstedticeras B tigers eye Serpentinite is a rock composed

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

similar to its cousin Ocean Jasper

and usually harder than most marble

Rhodonite is a silicate mineral usually having an abundance of Manganese giving the red to pink color

and fluorescence make calcite a desirable mineral to collect

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