What can break rocks
is dissolved, worn away or broken down into smaller and smaller pieces.
There are mechanical, chemical and organic weathering processes.
Organic weathering happens when plants break up rocks with their growing roots or plant acids help dissolve rock..
What is the rarest gem on earth
MusgraviteMusgravite was discovered in 1967 and is arguably the rarest gemstone in the world. It was first discovered in Musgrave Ranges, Australia, and later found in Madagascar and Greenland. The first sizable gem-quality specimen was discovered in 1993.
Is Obsidian stronger than diamond
Diamond is harder than obsidian, as obsidian is a form of volcanic glass. … Obsidian has a hardness of 5 to 5.5 on the mineral hardness scale, whereas diamonds have a hardness of 10.
What mineral is not scratched by a fingernail but is scratched by a copper penny
HardnessmineralMohs hardnessobservations on the mineralstalc1very easily scratched by the fingernail; has a greasy feelgypsum2can be scratched by the fingernailcalcite3very easily scratched with a knife and just scratched with a copper coinfluorite4very easily scratched with a knife but not as easily as calcite8 more rows
What is a very soft rock
What is Soapstone? Soapstone is a metamorphic rock that is composed primarily of talc, with varying amounts of chlorite, pyroxenes, micas, amphiboles, carbonates, and other minerals.  Because it is composed primarily of talc it is usually very soft.
What is the hardest kind of rock
Diamond is the hardest known mineral, Mohs’ 10.
What type of rock breaks easily
sedimentary rockGenerally, sedimentary rock is fairly soft and may break apart or crumble easily. You can often see sand, pebbles, or stones in the rock, and it is usually the only type that contains fossils. Examples of this rock type include conglomerate and limestone.
Is Bedrock Real
In the real world, what geologists call bedrock is more like Minecraft’s stone layer – it’s the name for the compacted rock that sits below the surface soil. Real-world bedrock is hard, but absolutely breakable – and most large buildings are anchored into the bedrock with structures called “foundations”.
Can you crush a diamond with a hammer
As an example, you can scratch steel with a diamond, but you can easily shatter a diamond with a hammer. The diamond is hard, the hammer is strong. … This makes the diamond incredibly hard and is why it is able to scratch any other material.
What is the strongest thing on earth
grapheneCase in point: graphene. Graphene, which was heretofore, the strongest material known to man, is made from an extremely thin sheet of carbon atoms arranged in two dimensions.
What stone is better than a diamond
White Sapphire is the clear winner in terms of a natural diamond alternative. Those choosing White Sapphire should expect white sparkle only as compared with the white and colored sparkle diamond offers.
What is the weakest rock in the world
Sedimentary rocksSedimentary rocks tend to be the ‘weakest’ of the three, as Igneous and Metamorphic rocks both undergo extreme pressures to form.
What are black rocks called
Hematite, an iron oxide, is the most common black or brownish-black mineral in sedimentary and low-grade metasedimentary rocks. It varies greatly in form and appearance, but all hematite produces a reddish streak.
What’s harder than diamond
boron nitrideThe structure of boron nitride in its wurtzite configuration is stronger than diamonds. Boron nitride can also be used to construct nanotubes, aerogels, and a wide variety of other fascinating applications.
Is Bedrock harder than diamond
In our universe, diamond has a hardness of 10 on the Mohs scale. … Bedrock can be made from many different substances, with a hardness anywhere from 1 to 9. So even the hardest bedrock is still not as hard as diamond.
Is chalk a soft rock
Chalk is a soft, white, porous, sedimentary carbonate rock, a form of limestone composed of the mineral calcite and originally formed deep under the sea by the compression of sub-microscopic plankton which had fallen to the sea floor.
What is the strongest stone in the world
Although diamond is probably the hardest natural material with rating 10 on Mohs scale, granite is by far the strongest and most durable of natural stones measuring 6 on Mohs scale that are used as a construction material. In fact, it is the most-popular dimension stone that is widely used all over the world.
What are the 5 types of rock
Rocks: Igneous, Metamorphic and SedimentaryAndesite.Basalt.Dacite.Diabase.Diorite.Gabbro.Granite.Obsidian.More items…
Which rock is hardest and why
Metamorphic rocks tend to be the hardest of the three types of rock, which are igneous, metamorphic, and sedimentary rocks.
What is the hardest rock to break
Igneous rocksIgneous rocks are formed from molten rock called magma. They are mostly crystalline (made up of interlocking crystals) and usually very hard to break.
What is the softest rock on Earth
talcThe name for talc, a sheer white mineral, is derived from the Greek word talq, which means “pure.” It is the softest rock on earth.