What are the common uses of volcanic rocks?

Volcanic rock is a rock formed from magma erupted from a volcano. In other words, it differs from other igneous rock by being of volcanic origin. Volcanic rocks are among the most common rock types on Earth's surface, particularly in the oceans. On land, they are very common at plate boundaries and in flood basalt provinces. read more

There are several different uses for lava rock. Lava rock, also known as volcanic rock, is quite versatile. It is the product of volcanoes and filled with air bubbles which makes it very light. BBQ. Lave rock is used in a gas barbecues. The flames heat the lava rock which then act like charcoal in a regular grill to cook the food very effectively and cleanly. read more

Because of this, it is prized for home decoration and is used for flooring, countertops and table tops. Basalt is the most common igneous rock and forms much of the seabed. It's often black, but can be gray, brown, pale green or red. Ancient Egyptians used basalt as an ornamental stone. read more