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Question:

Is the granite floor harmful to the human body?

Is the granite floor harmful to the human body?

Answer:

White granite, mainly granite in the white granite. Whitehead is produced in the later stages of condensation of underground turbulence, and its main component is silica (Sio2, quartz), up to 73% to 77% in rock. This stage of rock formation (ie, the later stage of magma condensation) is also the stage of the relative accumulation of uranium, thorium, rubidium, cesium, potassium and other radioactive elements in underground magma. Since the distribution of all elements (including radioactive elements) in the earth is extremely uneven, if the distribution of radiation elements in a region is relatively slightly (geologically referred to as "background high"),
For the flower series of granite, often because of potassium minerals and quartz and other minerals composed of "large class crystal", constitute a beautiful plaque granite, so its shot intensity may also be too large.
In the light-colored series of green granite, sometimes with a brightly colored green, emerald green, basket of green special minerals one day river stone. (R., RbCs) (AlSi308)], so the green granite containing the minerals of this kind, the radiation intensity may be too large.
Red granite, potassium-containing mineral K-feldspar is the main component of red granite, and potassium isotope potassium-40 (40K) itself is a radioactive element. So the more potassium-containing minerals (pale pink, pink, etc.), the more likely to be strong (large). In addition, in the red granite, including gneissic granite and granite gneiss. This ancient rock, which was produced two or three billion years ago, contains not only potassium-containing feldspars, but sometimes also contains a beautiful color (purple, red, purple, etc.) special minerals - zircon (Zr A Sio4). Zircon mineral is often mixed with uranium, thorium and other radioactive elements, so that the red granite red more brilliant at the same time, then also increased the intensity of the radio, which is the famous "Indian red" and "South Africa red" roll intensity is too large (High) the reason.
According to the relevant experts of China University of Geosciences, for the light-colored series of white, red, green and plaque series of granite, can not be generally considered radioactive radiation intensity is large, only in the following cases, the radioactive radiation intensity May be too large:

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