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 stunning natural stone material, but due to the bursting popularity of granite marble has taken a back seat. Granite is always very stunning and not as susceptible to staining as marble, which is a concern keeping marble from becoming a widely popular countertop material.he cost of white marble depends on the quality of slab or tile you purchase. The price between white marble tiles and a white marble slab is vastly different as well. You will find that purchasing white marble tiles will be cheaper per square foot than a marble slab.