What is sandstone?
Q: What is sandstone?
A: Sandstone is a sedimentary rock made of compacted sand, which is small grains of rocks and minerals.
Q: What are the most common minerals in sandstone?
A: The most common minerals in sandstone are quartz and feldspar.
Q: What is sandstone used for?
A: Sandstone that is resistant to weathering is used for building in many countries. It can also be used for paving slabs.
Q: Is sandstone a hard rock?
A: Sandstone can be a hard rock, depending on its composition and level of compaction.
Q: What is quartzite?
A: Quartzite is a metamorphic rock that is formed from sandstone through heating and pressure.
Q: How is quartzite formed?
A: Quartzite is formed when sandstone is subjected to heating and pressure under a mountain chain.
Q: Why is sandstone often converted into quartzite?
A: Sandstone is often converted into quartzite because the heating and pressure under a mountain chain causes the minerals in the rock to recrystallize and fuse together, creating a harder and more durable rock.
