Sandstone is a rock that contains of sand sized grains and sandstone is the second most common sedimentary rock on earth and probably the most known. The history and origin of a sandstone can often be told by the sorting of the grains, by the particle size, the particles roundness and mineral composition.
Aquarius Personality: January 20 - February 18. Aquarius is the eleventh sign of the astrological year and is known by its astrological symbol, the Water Bearer. Aquarius individuals are intelligent, progressive and independent. With Uranus as the ruling planet, people born under this sign are free-thinking and unconventional.
The Fixed zodiac signs are: Taurus, Leo, Scorpio, Aquarius. They correspond to the peak period of the seasons. In Taurus (April 21 - May 20), spring is in full bloom; in Leo (July 23 - August 23), summer, in Scorpio (October 23 - November 22) fall, in Aquarius (January 21.