Limestone is a rock, composed mainly of the mineral calcite.
A pumice rock is considered a rock because it is composed of multiple minerals, mainly feldspar and quartz. Minerals are the building blocks of rocks, so pumice is classified as a rock rather than a single mineral.
The way a rock or mineral feels is known as its texture. Texture describes the physical characteristics such as smoothness, roughness, or graininess of a rock or mineral when touched.
A rock is not a mineral however a rock is made of several minerals
A rock such as quartzite or marble consists of basically one mineral. So yes, a rock could consist of a single mineral, although most definitions describe a rock as consisting of combinations of minerals.
No, a paperclip is not hard enough to scratch calcite. Calcite is a mineral with a hardness of 3 on the Mohs scale, while a paperclip is softer and would not be able to scratch calcite.
mineral
Mineral
the mineral is clay and there is no rock
It is a mineral or a number of minerals which are part of the composition of rock.
A mineral is a rock, so yes.
Cobalt is a mineral, not a rock.
mineral
is a mineral
It is a mineral
a mineral
It is a Mineral