QUARTZ By: Jane 3 rd Grade Student

Quartz  Is an extremely common mineral in the earth’s crust  Composed of silicon and oxygen  Known as beautiful, colorless, hexagonal crystals  Can come in colors of white, pink purple, and gray  Hardness on Mohs Scale is 7.

Amethyst

Rocks made of Quartz  Essential part of granite and other igneous rocks  Common in sedimentary rocks such as sandstone and shale  Can be in metamorphic rocks such as schist, gneiss, and quartzite

Rose Quartz

Types of Quartz  Onyx  Jasper  Amethyst  Tiger’s eye  Citron  Agate  Rose Quartz  Milk Quartz  Smokey Quartz

White Quartz

Where you can find it…  A major mining location for high purity quartz is the Spruce Pine Gem Mine in North Carolina.

Reference  Lowery L. F., Lucchi, L., Malone, L., & Long, K. (2005) Earth Materials. California: Delta Education.