This peridotite was then brecciated into small pieces and carried up to the surface by basaltic magma gasses during a volcanic eruption. ***The peridot was later encased within the basaltic lava flow which hardened around it. Basalt matrix specimen weighs 5.1 lbs pounds ***Basalt Matrix Dimensions: 8" x 6" x 5" Respectfully and ethically mined at Mojave Desert, California, USA ***Olive green peridot grains that crystallized deep within the earth's crust aggregated into peridotite. This basalt matrix specimen has a 2 inch mass of peridot grains exposed around its upper surface as shown. ***This Peridot Crystal will come to you with a Certificate of Authenticity from our main website mineralminers.com at no additional cost. Peridot is very popular today for metaphysical use, Peridot is known as the stone of compassion, peridot is believed to bring good health, restful sleep and peace to relationships by balancing emotions and mind. If you would like to learn more about Peridot Minerals, please go to our Peridot Educational and Information Page at; https://mineralminers.com/html/perminfo.htm#peridot-mineral-information At MineralMiners.com your satisfaction is our top priority! We guarantee Unique Items, Superb Energy and Collector Quality at Miner's Prices! ? Have a "Gem" day!