Magnetite is considered to be a hard mineral, not a rock, because it has the ability to scratch glass and its hardness number is greater than 5.5 according to the Mohs scale.
Magnetite is classified as a mineral, not a rock.
Magnetite is classified as a mineral, not a rock.
No, granite is not a soft rock. It is a hard, durable rock that is commonly used in construction due to its strength and resistance to wear and tear.
Basalt is a relatively heavy iron rich hard rock.
It is both hard and soft rock becasue of the elves living inside it.
Marble is a hard rock. it is a soft rock then the Taj Mahal situated in agra will have broken into peices.
Magnetite is classified as a mineral, not a rock.
Magnetite is classified as a mineral, not a rock.
Hard rock: GraniteSoft rock: Sandstone
The opposite of rock-hard would be soft or flexible.
It is a limestone, hard.
Hard engineering :)
classic rock, alterlative, hard rock, soft rock, To be specific talk kinda like chalk,amethyst nice and sparkly and more!!!
No, granite is not a soft rock. It is a hard, durable rock that is commonly used in construction due to its strength and resistance to wear and tear.
Hard and soft are relative attributes. Compared to a Marshmallow, limestone is very hard. It's even harder when comparing it with candy floss. In comparison to granite, steel or diamonds, limestone is a pretty soft rock.
compared to most rocks sandstone is rather soft and brittle, but the hardness of it varies greatly from rock to rock, some sandstone is so soft it can be crushed by stamping on it while other sandstone is so hard it can be used to build buildings
Hard wood.