What rock type can be described as a mafic volcanic rock that is dark, heavy and appears in hand sample to be hard solid material with abundant tiny crystals of dark minerals that glint and sparkle in strong light?

a. Basalt

b. Pumice

c. Scoria

d. Rhyolite

The rock basalt is a type of igneous rock. This rock has a fine texture. It is composed of different minerals. It is closely related to the rock Gabbro.

This rock is used for making buildings and also for making tiles and sculptures. It can be easily found all over the earth.

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What rock type can be described as a mafic volcanic rock that is dark, heavy and appears in hand sample to be hard solid material with abundant tiny crystals of dark minerals that glint and sparkle in strong light? a. Basalt b. Pumice c. Scoria d. Rhyolite

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What rock type can be described as a mafic volcanic rock that is dark, heavy and appears in hand sample to be hard solid material with abundant tiny crystals of dark minerals that glint and sparkle in strong light?

a. Basalt

b. Pumice

c. Scoria

d. Rhyolite