Here we will discover what makes each granite a different color, what that tells us about its mineralogy and origin. You may be an amateur geologist, just curious, or looking for your new granite ...

Granite names are variable, and stones with the same name can have different geological content, Steck said. Right now, “There’s no good way to identify that 5 percent.” As demand for ...

There is something funny about black granite, though. Every granite is a little different. Granites are igneous rocks formed from a mix of minerals--silica, alumina, feldspar, quartz, among ...