9. When you think of a lobster, you might think of a bright red creature. Most lobsters are a brown to olive-green color in the wild, with only a reddish tinge. Lobsters have a carotenoid pigment called astaxanthin in their shell, which provides a red coloring.
Is granite homogeneous or heterogeneous substance? Granite is a heterogeneous substance. This is due to the fact that it does not appear to be consistently made of one material.
The word granite comes from the Latin granum, a grain, in reference to the coarse-grained structure of such a holocrystalline rock. By definition, granite is an igneous rock with at least 20% quartz and up to 65% alkali feldspar by volume. The term granitic means granite-like and is applied to granite and a group of intrusive igneous rocks with similar textures and slight variations in composition and origin.