Chert
Frequency
|
common
|
Hardness
|
7
|
Density
|
approx. 2.6
|
Chemical Formula
|
SiO2
|
Chert is a naturally occurring mineral composed almost entirely of bonded granules of silicon dioxide. Quartz, Quartzite, Chert, and Flint are all various forms (and granularities) of silicon dioxide.
See Also