Granite, limestone and basalt from the color and appearance how to distinguish
Building stone material is: limestone, sandstone, gneiss, quartzite, granite, syenite, diorite, and so on. Can use granite
General black is basalt and other igneous rocks, more difficult to break when the stone used
After the stone is broken, the granite is smooth and polished,
The basalt has a clear bubble look, because he is the product of the volcanic eruption, the granite is relatively smooth, there are many products such as muscovite feldspar quartz, marble is not the first two hard, with the geological hammer ringing sound, limestone with hydrochloric acid to see No bubbles.
