Many people with Ehlers-Danlos syndrome have soft, velvety skin that is highly stretchy (elastic) and fragile. Affected individuals tend to bruise easily, and some types of the condition also cause abnormal scarring.
Quartzite is a metamorphic rock that is formed from the sedimentary rock sandstone. Slate is a metamorphic rock that is formed from the sedimentary rock mudstone. Granulite is a metamorphic rock that is formed from the igneous rock basalt.
Slate is another metamorphic rock that is used in buildings for floor and roofing tiles, and it was once used for blackboards. Quartzite is used as a source of silica; other forms of metamorphic rocks are useful as building components, monuments, counter tops, and facings. Following are examples of three metamorphic rocks and a list of their uses. <br /><b><br /> Marble</b> is a metamorphic rock that is used to make floor tiles, counter tops and it is carved into statues and was used extensively in the building of the Roman Colosseum and other historic buildings.