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ale4655 [162]
2 years ago
8

Sandstone contains quartz and feldspar. It is often tan, brown, yellow and/or red. It may have a hardness of about 6.5. Sandston

e cannot be described by a chemical formula because sandstone is not a pure substance. *
A-Sandstone is a mineral because minerals always have a hardness of 6.5.
B-Sandstone is a mineral because minerals are always made of quartz.
C-Sandstone is not a mineral because each mineral can only come in one color.
D-Sandstone is not a mineral because minerals are pure substances.
Geography
1 answer:
san4es73 [151]2 years ago
5 0

Answer:

D . Sandstone is not a mineral because minerals are pure substances.

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