General Characteristics:
* Hard: Igneous rocks are generally hard and dense due to their formation from cooled magma or lava.
* Crystalline: Many igneous rocks have a crystalline texture, meaning they are composed of interlocking crystals. This can give them a rough or uneven feel.
* Cold: They are naturally cold to the touch, as they are formed from cooled molten material.
Specific Examples:
* Granite: Feels very hard, rough, and often has a granular texture due to its large crystals.
* Basalt: Feels smooth and dense with a fine-grained texture.
* Obsidian: Feels very smooth and glassy, sometimes with a sharp edge.
* Pumice: Feels very light and porous, almost like a sponge.
* Scoria: Feels rough and irregular, with a bubbly or vesicular texture.
Things to Consider:
* Weathering: Over time, weathering can change the surface of an igneous rock, making it feel smoother or more rounded.
* Surface: A freshly broken piece of igneous rock will feel sharper and more uneven than a weathered piece.
* Texture: The size and shape of the crystals within the rock will influence its texture and feel.
Ultimately, the feeling of an igneous rock can be quite variable, but generally they are hard, dense, and cool to the touch.
