Quality Montessori Materials for Toddler,
Primary and Elementary Since 1993.
E&O Montessori USA.
Quality Montessori Materials for Toddler,
Primary and Elementary Since 1993.
E&O Montessori USA.
US contacts:(905) 313-0530, Fax: (905) 313-0402 montessori1907@gmail.com
Humans have long held an interest in the bright, colorful crystals we call gemstones. Throughout history, they have been used as decorations, folk remedies, and currency. Readers will discover how gemstones are formed, how they get their incredible colors, and what sets them apart from other minerals.
Inside you will find:
- Why some gemstones are more valuable than others.
- A timeline, photos - and how gemstones are formed.
- Surprising true facts that will shock and amaze you!
Reviews for Earth Science Book - Gemstones