6 Examples of Minerals and Rocks!
Mica
Mica is the group of sheet silicate. This group of minerals has perfect basal cleavage and capable of splitting into thin laminae. Muscovite, or potassium mica, is the commonest of all and whenever the word mica is used it is understood to mean Muscovite.
Limestone
Limestone is a sedimentary rock composed largely of the mineral calcite and aragonite, which are different crystal forms of calcium carbonate. Limestone makes up about 10% of the total volume of all sedimentary rocks. Limestone has numerous uses, including as building material, as aggregate to form the base of roads, as white pigment, or filler in products such as toothpaste or in paints.
Halite
Halite is commonly known as rock salt. This the mineral from sodium chloride. The mineral is typically colorless or white, but may also be light blue, dark blue, purple, pink, red, orange, yellow or gray depending on the amount and type of impurities
Pumice
Pumice is a textual term for a volcanic rock that is a solidified, frothy lava typically created when super-heated highly pressurized rock is violently ejected from a volcano. It can be formed when lava and water are mixed.
Quarts
Quartz is the second most abundant mineral in Earth's continental crust. Its formula is SiO2 other wise known as silicon-oxygen tetrahedral. Throughout the world varieties of quartz have been since antiquity the most commonly used minerals in the making of jewelry and hard-stone carving.
Galena
Galena is a natural mineral form of lead(III) sulfide. It is the most important lead ore mineral. Galena deposits often contain a significant amount of silver. Galena deposits are found worldwide in various environments
No comments:
Post a Comment