The basic concept of 1. 1

1.2 gem classification

1.3 Naming and symbols of gems

1.4 Jewelry Properties

1.5 jewelry value

1.6 Physical properties of gemstones

Chapter II The King of Gems-Diamonds

2. 1 history and legend

2.2 Basic characteristics

2.3 Identification of authenticity

2.4 Quality evaluation

2.5 Appreciation of World Famous Diamonds

Chapter III The King of Emerald

3. 1 History and Legend

3.2 Basic characteristics

3.3 Classification and varieties

3.4 Identification of authenticity

3.5 Quality evaluation

Chapter IV Sister Gems-Ruby and Sapphire

4. 1 Legend and origin

4.2 Basic characteristics

4.3 Identification of authenticity

4.4 Quality evaluation

Chapter 5 Gemstone Pairs with Unique Optical Effects-Opal and Metamorphic Rock

5. 1 What is opal? What is a variable stone?

5.2 *** Same function

5.3 Identification and quality evaluation of opal

5.4 Identification and quality evaluation of metamorphic rocks

Chapter VI Ordinary Gems

6. 1 tourmaline

6.2 aquamarine

6.3 Crystal

6.4 zircon

6.5 spinel

6.6 garnet

6.7 topaz

6.8 olivine

6.9 Moonstone

Chapter VII King of Jade-Emerald

7. 1 overview

7.2 Basic characteristics

7.3 Varieties and types

7.4 Identification of authenticity

7.5 Quality evaluation

Chapter VIII Nephrite, the favorite of traditional jade in China.

8. 1 Overview

8.2 Basic characteristics

8.3 classification

8.4 Identification of authenticity

8.5 Quality evaluation

Chapter 9 Jade as beautiful as a rainbow-opal

9. 1 Overview

9.2 Basic characteristics and varieties

9.3 Identification of authenticity

9.4 Quality evaluation

Chapter 10 Ordinary Jade

10. 1 xiuyu

10.2 dushan jade

10.3 turquoise

10.4 timely jade

10.5 Qing Jin Yan

10.6 Shoushan Stone

10.7 bloodstone

Chapter XI Ancient Jade Articles and Jade Culture in China

1 1. 1 Overview

1 1.2 Brief introduction of China ancient jade

1 1.3 Chinese jade culture

Chapter 12 Jewelry Queen-Pearl

12. 1 overview

Basic characteristics of 12.2

Formation mechanism of 12.3

Type and processing technology of 12.4

12.5 authentication

12.6 quality evaluation

Chapter 13 Other Organic Baoyu

1 coral

13.2 amber

13.3 coal jade

13.4 ivory

Chapter XIV Precious Metals for Decoration

14. 1 overview

14.2 substance classification theory

14.3 color recognition

Chapter 15 Jewelry Processing

15. 1 overview

15.2 Gem Thinking

15.3 jewelry inlay

Chapter XVI Purchase, Wear and Maintenance of Jewelry

16. 1 appraisal grading certificate and price accounting

16.2 shopping and wearing

16.3 maintenance

refer to