There are a lot of rocks that make up Stonehenge in fact over 20 but i only know one type of rock and that rock is called bluestone
The major stones are local sandstone. Some are Welsh igneous rocks, see the plan on Wikipedia.
... Stone
Basalt
The rocks in Stonehenge primarily originate from two different sources. The larger sarsen stones, which make up the main structure, are local sandstone found in the Marlborough Downs, about 20 miles away. The smaller bluestones, believed to have healing properties, are made of dolerite and were transported from the Preseli Hills in Wales, approximately 150 miles away. This combination of local and distant materials highlights the significant effort and planning involved in the construction of Stonehenge.
There are actually three - metamorphic, igneous, and sedimentary
A megalith is a large stone that forms a prehistoric monument, such as a stone circle or chamber. Stonehenge is a well-known Megalith.
Igneous Rocks, metamorphic rocks, and sedimentary rocks
Most of the Isle of Skye is made up of igneous rocks, specifically basalt and gabbro. These rocks formed from ancient volcanic activity in the region, giving Skye its rugged and dramatic landscapes.
minnerals make up rocks
Sedimentary rock is the most common Earth surface rock.
Stonehenge is an ancient monument. It consists of standing stones built in a circle. It is unclear and unpublished as to exactly how many stones make up Stonehenge.
The Earth's core is not made up of rocks. It is made up primarily of nickel and iron.