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Earth Science Facts

Volcanic ____ is the product of rapidly cooling lava. cleavage
The molten rock below the Earth's surface is called ____. element
Minerals of sedimentary rocks came from the ____ of other rocks. erosion
The molten rock expelled by a volcano is called ____. glass
Carbon, copper, silver, and sulfur are single ____ minerals. lava
The ____ of a mineral can be dull, glassy, or brilliant. luster
Quartzite is a rock, whereas quartz (silicon dioxide) is a ____. magma
The tendency of a mineral to split along a flat surface is ____. mineral