There are 3 types of rock :
Igneous - comes from molten lava.
Sedimentary - rock dust squeezed back into rock.
Metamorphic - either of the other two types after it gets heated and squeezed.
stones are formed in the gall bladder and in the kidneys, not in the pancreas
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Kidney stones are hard crystal-like structures that are formed in the kidneys from chemical elements in urine. More men are affected by kidney stones than women.
salt
Diamond is formed from carbon. Synthetic look-alike stones are generally inexpensive, and are not formed from carbon. Diamonds formed by Mother Earth or formed by scientists in a lab are more expensive than look-alike stones formed synthetically from other minerals..
Sodium chloride
lime stones?
Stones are formed when minerals in the ground crystallize and stick together over long periods of time, often millions of years. Heat and pressure deep within the Earth help to create different types of stones, such as quartz, granite, and marble. Sometimes, stones are also formed from the remains of plants and animals, like limestone which is made from seashells.
The Rolling Stones
The kidney stones must be removed as they are very painful, and cause serious harm to the body .
No, stones do not grow. They are formed through geological processes such as the cooling and solidification of molten rock or the accumulation and compression of mineral particles over time. Once formed, stones do not naturally increase in size like living organisms do.
All precious stones come from rocks, but pearls are formed by oysters. Synthetic gemstones are made in factories.