Granite is a light-colored igneous rock with grains large enough to be visible with the unaided eye. It forms from the slow crystallization of magma below Earthâs surface. Granite is composed mainly of quartz and feldspar with minor amounts of mica, amphiboles and other minerals.This mineral composition usually gives granite a red, pink, gray or white color with dark mineral grains visible throughout the rock.Granite is the best-known igneous rock.ranite is composed mainly of quartz and feldspar with minor amounts of mica, amphiboles and other minerals. This mineral composition usually gives granite a red, pink, gray or white color with dark mineral grains visible throughout the rock. Granite is the best-known igneous rock.
This is dry, air, almost absent of humidity. Each year we know that egg production will drastically decline and that a heat induced molt is coming. The molt is not really from the heat but from the stress it places on our flock, so technically it is a stress induced molt.
   When a hen first starts to lay even though the rooster has been  doing his job you will find infertile eggs. Then, however, you will  notice most eggs are fertile.  Some roosters do not cover their hens well, or will be less  fertile than others-hatch rates may vary.epending on when the hen's last egg was laid, the next egg laid after the hen was mated will most likely be fertile. A rooster is necessary to have fertilized eggs, but a hen will lay eggs even if no rooster is present. Incubation time for fertilized eggs is 21 days.