Black tea is made from the leaves of a bush called Camellia sinensis. A process called oxidation turns the leaves from green to a dark brownish-black color. Oxidation means the leaves are exposed to moist, oxygen-rich air.
Marble is a non-foliated metamorphic rock composed of recrystallized carbonate minerals, most commonly calcite or dolomite. Geologists use the term marble to refer to metamorphosed limestone; however, stonemasons use the term more broadly to encompass unmetamorphosed limestone.Marble is commonly used for sculpture and as a building material.eologists use the term marble to refer to metamorphosed limestone; however, stonemasons use the term more broadly to encompass unmetamorphosed limestone.
Marble is a non-foliated metamorphic rock composed of recrystallized carbonate minerals, most commonly calcite or dolomite. Marble includes Italian Marble, Indian Marble and many more. Italian Marble having wide range in variety,some of Italian Marble Names or Italian Marble Types viz.Statuario Marble, Botticino Marble, Dyna Marble, Omnia marble, Perlato Marble, Onyx marble and many more.arble includes Italian Marble, Indian Marble and many more. Italian Marble having wide range in variety,some of Italian Marble Names or Italian Marble Types viz. Statuario Marble, Botticino Marble, Dyna Marble, Omnia marble, Perlato Marble, Onyx marble and many more.