Marble is a metamorphic rock found in the mountainous regions of many countries of the world.
Granite is an igneous rock that is the result of hundreds of millions of years of creation.
Travertine is a banded, compact variety of limestone commonly formed along streams....
Quartzite is a hard, non-foliated metamorphic rock which was originally pure quartz sandstone
Limestone is a sedimentary rock that has been formed over millions of years at the bottom of lakes and seas.
Sandstone is a sedimentary rock composed mainly of sand-sized minerals or rock grains.
Onyx is a banded variety of the oxide mineral chalcedony. Agate and onyx are both varieties of layered ....
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