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Chert is generally darker, and less pure.
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∙ 15y ago
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What is the color of chert?
Chert has no streak, it is too hard.
What is chert chemically primarily composed of?
Chert is a sedimentary rock composed of pure silica, occurring either in interlayered beds with other sedimentary rocks or as odd-shaped or rounded lumps called nodules found in other sedimentary rocks. The bedded form is often composed of the skeletal remains of tiny marine organisms, and these skeletons can be seen with the aid of a microscope. The nodular chert is formed from the precipitation of quartz from silica-rich ground water, and appears with frequency in limestone.
Is chert magnetic?
No.
Which one of these is an igneous rock is it gabbro obsidian peridotite or chert?
They are all igneous, except chert
What is the use of chert?
Chert can be used as an abrasive, used to make glass, and used to make gemstones.
What kind of a mineral is chert?
Chert is actually not a mineral. Chert is a type of sedimentary rock that is made up of many minerals. It is composed mainly of the minerals chalcedony and quartz.
What is the chemical formula for chalcedony?
Chalcedony is silicon dioxide.
What is a clear form of quartz?
A very hard mineral composed of silica, SiO2, found worldwide in many different types of rocks, including sandstone and granite. Varieties of quartz include agate, chalcedony, chert, flint, opal, and rock crystal.
What color is chalcedony?
Chalcedony's Color: Chalcedony can be virtually any color of the rainbow. It is commonly pale blue, yellow, brown or gray with nearly waxlike luster.
Is chert a metamorphic rock?
Chert is NOT a metamorphic rock.
What is the color of chert?
Chert has no streak, it is too hard.
What is chalcedony?
Chalcedony is a form of fine-grained quartz which is nearly transparent or has a milky translucence.
What is chert chemically primarily composed of?
Chert is a sedimentary rock composed of pure silica, occurring either in interlayered beds with other sedimentary rocks or as odd-shaped or rounded lumps called nodules found in other sedimentary rocks. The bedded form is often composed of the skeletal remains of tiny marine organisms, and these skeletons can be seen with the aid of a microscope. The nodular chert is formed from the precipitation of quartz from silica-rich ground water, and appears with frequency in limestone.
What is the color of chert's streak?
Chert has no streak, it is too hard.
Can chalcedony be orange?
Yes.
What is a red chalcedony?
carnelian
What is red chalcedony?
carnelian
