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Peridot form in magma from the upper mantle (20 to 55 miles deep), and are brought to the surface by tectonic or volcanic activity where they are found in extrusive igneous rocks.

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What is the peridot composed of?

Peridot is composed of the mineral olivine, which is formed from the mineral group of silicates. It gets its characteristic green color from the presence of iron. Peridot is usually found in volcanic rocks such as basalt and peridotite.


Is peridot an intrusive or extrusive igneous rock?

Peridot is olivine, which is a mineral, not a rock. It is found in both intrusive and extrusive rocks.


What type of rock is Peridot?

Peridot is a mineral. It is a variety of forsteritic olivine and is the birthstone for August.


Is peridot an igneous metamorphic or sedimentary rock?

Peridot is neither an igneous, metamorphic, nor sedimentary rock. It is a gemstone variety of the mineral olivine, which is part of the mantle beneath the Earth's crust. Peridot is typically formed in the mantle and brought to the surface through volcanic activity.


How long does it take for peridot to form?

Peridot is typically formed deep within the Earth's mantle and brought to the surface through volcanic activity. The process can take millions of years, as it requires specific geological conditions such as high pressure and heat to create peridot crystals.


Is peridot a mineral?

Yes, peridot is a gem-quality mineral belonging to the olivine mineral group. It is a magnesium-rich silicate mineral that is formed deep within the Earth's mantle and is commonly found in volcanic rocks called basalts.


Is peridot in igneous rock?

Yes, peridot is often found in igneous rocks, particularly in basaltic lavas and ultramafic rocks like peridotite. It can also be found in some metamorphic rocks that formed from the alteration of these igneous rocks.


Is peridot a type of opal?

No. Peridot is olivine.


What type of rock is peridot found in?

Peridot is typically found in igneous rocks, specifically in basaltic lava flows and in some metamorphic rocks. It is formed in the Earth's mantle and brought to the surface through volcanic activity.


What is the August birth stone?

Peridot, the birthstone of August, carries a lime green color and is one of only a few gemstones that exists in only one color.Modern Birthstones: Peridot (kind of yellow green) Traditional Birthstones: Sardonyx, Carnelian.Other than Peridot, Aventurine and Sapphire are also classified as modern birthstones.


What is the difference between peridot and peridot quartz?

Peridot quartz is just the color possibly. Peridot is actually a semi precious stone. Cabochon is a type of cut. As for the Peridot Quartz.....I am not sure if it is actual peridot or a another name game to sell lab-created crap.


What is peridot's luster?

Peridot's luster is vitreous to oily. (: