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Gemstones /
| Main Author: | |
|---|---|
| Format: | Printed Book |
| Language: | English |
| Published: |
London :
Dorling Kindersley,
2000.
|
| Subjects: |
Table of Contents:
- 1)Gemstones2)How gemstones are formed 3)Where gemstones are found4)Physical properties 5)Optical properties