quartzs

quartzs are commonly used in watches.

many electronics rely on quartzs for precision.

quartzs can be found in various colors.

some people believe quartzs have healing properties.

quartzs are often used in jewelry making.

high-quality quartzs can be quite expensive.

quartzs are a popular choice for countertops.

geologists study quartzs to understand earth processes.

some quartzs are used in optical instruments.

quartzs can be found in many types of rocks.