There are types of igneous rocks that are hard (eg granite) and others that are soft (eg volcanic ash). There are types of metamorphic rocks that are hard (eg gneiss) and others that are soft (eg marble). Thus "hardness" is not a characteristic that can be used to distinguish between the two.
Comparatively hard, due to larger interlocking crystals and a higher density than most igneous/sedimentary rocks
Schist is a metamorphic rock, and varies from fairly soft right up to very hard, depending on how much it has been metamorphosed.
Yes
Generally speaking, when a geologist talks of "soft rocks" and "hard rocks" what he or she means is "sedimentary rocks" or "igneous and metamorphic rocks". Limestone is a sedimentary rock, and compared to most other rocks, is relatively soft. lol Different limestones have different hardnesses. Most "marbles" are actually hard limestones, because they have not experienced the high pressures and temperatures required for metamorphism.
Hard
Soft information refers to qualitative data that is subjective and difficult to quantify, such as customer satisfaction or market trends. Hard information, on the other hand, refers to quantitative data that is objective and can be easily measured, like financial statements or production numbers. Soft information is typically more open to interpretation compared to hard information.
Soapstone is a metamorphic rock composed of the mineral talc. Soapstone is a non-foliated metamorphic rock with a microcrystalline texture. It is very soft and can be easily scratched.
Soapstone is a metamorphic rock composed of the mineral talc. Soapstone is a non-foliated metamorphic rock with a microcrystalline texture. It is very soft and can be easily scratched.
Quartzite, a non banded metamorphic rock.
Slate is a metamorphic rock that occurs naturally. It is hard enough to scratch glass and steel. It varies in color, red, grey-blue, green, black, and yellow-brown.
it is hard and sometimes soft