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What color is the streak of Olivine?
white
How did an olivine rock got its name?
Olivine rock got its name from its olive-green color, which comes from the mineral olivine found within it. Olivine is a common mineral in the Earth's mantle and is often found in igneous rocks like basalt and gabbro.
Why does olivine appear green?
Olivine appears green because of its iron content. The iron in olivine absorbs certain wavelengths of light, especially in the red part of the spectrum, giving it a green hue. This characteristic color is why olivine-rich rocks like peridot have a distinct green color.
What are the coordinates for the color Olivine?
154, 185, 115.
What is the mineral name of the gemstone peridot?
The mineral name of peridot is olivine. It is a silicate mineral that is typically a bright green color due to its iron content. Peridot is used as a gemstone in jewelry due to its attractive color and clarity.
Which mineral is present in much greater quanitites in peridotite than in gabbro?
Olivine is the mineral that is present in much greater quantities in peridotite compared to gabbro. Peridotite is rich in olivine, which gives it its characteristic green color, while gabbro contains less olivine and more dark minerals like pyroxene.
What is the color of dunite?
Dunite is typically a dark green to olive-green color due to its high concentration of the mineral olivine.
Which types of igneous rocks are composed of at least 50 percent olivine?
Peridotite and dunite are examples of igneous rocks that are composed of at least 50 percent olivine. Olivine is a common mineral in these ultramafic rocks, giving them their distinctive color and composition.
What rock contains high density minerals such as olivine?
Mafic, igneous rocks
What color is peridotite?
The igneous rock peridotite has a very high color index. It is comprised of more than 95% mafic minerals (like olivine), giving it a dark green color.
What minerals is in a peridot gemstone?
Peridot is composed of the mineral olivine, which is a silicate mineral containing magnesium and iron. Its characteristic green color is due to the presence of iron in its crystal structure.
What is the cleave of olivine?
Olivine fractures.
