San Carlos peridotite with chrome diopside and spinel in volcanic basalt

Thoughtful delivery service

Easy 30 day returns

Certified Reviews

Description

San Carlos peridotite with chrome diopside and spinel in volcanic basaltLocale: San Carlos Apache Reservation, Arizona Approx dimensions: 3 x 2 x 1" Approx weight: 212g 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

or jewelry

This specimen has some especially luscious large gemmy crystals

the minerals replicate the natural structure of the wood so that the rings

It's difficult to photograph to the back of the geode because it curves off into darkness

has peridotite containing olivine (light yellow-green)

Approx dimensions: 2

and can be colorless to semi-translucent white with inclusions

Hedenbergite is often green-to-olive-brown in color

It is sprinkled both with whitish rice-like quartz crystals

it gives a slight UV reaction

Approx weight: 458g

This material would most accurately be named "chrysanthemum rhyolite" but you know I can't pass up a goblin-y name like spider jasper