'Ancient greeks believed' presentation slideshows

Birthstones | Birthstones by month | Anabia Agate Gemstones

A birthstone is a gemstone that represents a person's month of birth. Birthstones are often worn as jewelry and as pendants. Our list of birthstones by month will help you understand what each birthstone means and why they make thoughtful.

184 views • 17 slides

Properties of Minerals

Properties of Minerals. Crystal Form. Crystal form. The word Crystal comes from the Greek word for ice The ancient Greeks believed that Quartz crystals were made from water which had frozen solid and would not melt. Crystal form.

250 views • 10 slides

How can I find out where a place is?

98 views • 4 slides