The rock that is often purple and smooth is called amethyst. Amethyst is a variety of quartz that is prized for its vibrant purple color, which can range from light lavender to deep violet. It is commonly used in jewelry and decorative items due to its attractive appearance and smooth texture. This gemstone is formed in volcanic rocks and is typically found in geodes.
Sure, a boulder is a large rock.
It can be both
Obsidian
The volcanic rock can be classified as basalt. Basalt is a fine-grained igneous rock that forms from the solidification of lava flows. The smooth texture and small holes, known as vesicles, are characteristic features of basalt.
The Taj Mahal is made out of smooth, white marble which is a metamorphic rock.
Deep Purple in Rock was created on 1970-06-03.
A smooth, black rock is likely to be basalt. Basalt is an extrusive igneous rock that is commonly dark in color and has a fine-grained texture, giving it a smooth appearance.
no, deep purple is not in the ock hall of fame. srry. :(
some from weathering
obsidian
Yes, it is.
Blue and Purple
the streak is purple
Sure, a boulder is a large rock.
Pavement or smooth rock runoff affects waterways because they create more impervious surfaces.
If I don't know, then who does? Einstien
Metamorphic rock can be coarse grained or fine grained.