San Carlos peridotite with chrome diopside and spinel in volcanic basalt, vivid gemmy color Quartz apparently dissolved away

apparently dissolved away

illuminating the interior scene

This specimen does exhibit these features

Approx dimensions: 3 x 2

San Carlos peridotite with chrome diopside and spinel in volcanic basalt, vivid gemmy color Quartz apparently dissolved awayLocale: San Carlos Apache Reservation, Arizona Approx dimensions: 3 x 2 x 1. 5" Approx weight: 220g While this material is commonly called peridot in (or on) basalt, it is actually more complex. It would be more accurately called a peridotite xenolith in basalt. Peridot is the gem quality version of the mineral olivine, which is common in our Earths upper mantleand even in space. In comparison, peridotite is a combination of several types of minerals