Author Tang,

Publishing House Shanghai Science and Technology Publishing House

Release date: 1999- 1- 1

ISBN753234432 1

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How to identify jewelry and jade

Author: Wang Shu

Series: None

Binding items: paperback 32 open /333

Publication: Geological Publishing House/1993-08

ISBNNo。 : 9787 1 160 14695/7 160 1469 1

Original book pricing: ￥ 18.00 rare/out-of-print books for copying.

Keywords: Gem-Identification-Basic knowledge

Book Introduction

This is a book suitable for both experts and laymen. The book not only describes the method of identifying some jewels and jade with naked eyes and magnifying glasses without special instruments; This paper also introduces the modern jewelry and jade identification instruments that are useful to experts and their use methods. This book is characterized by fluent writing and easy to understand. The 24 pages of color pictures and 80 black and white pictures attached to the book are very useful for identifying jewels and jade. For example, this book is accompanied by some color pictures of gems changing color under Charles filter, which is not available in any gem book.

Table of contents of this book

catalogue

First, what is jewelry?

Second, the nature of gems and jade

1 crystal and crystal system

2 contains

3 refractive index and dispersion

4 Birefringence and Heterogeneity

5 colors

6 Color change of gemstones

The flash of cat's eyes and the starlight of gems

8 hardness

9 toughness and brittleness

10 density

1 1 cleavage

12 gem weight unit-carat

Three. Instruments and equipment for identifying precious stones

1 tweezers, jewel grasper and magnifying glass

Binocular stereo microscope (gem microscope)

3 Refractometer (Photometer)

4 oil immersion method

5 dichroic mirror

6 polarizer

7. Chelsea filter

8 Ruby filter and sapphire filter

9 absorption spectrum and spectroscope

10 fluorescence and phosphorescence

1 1 thermal conductivity meter (diamond appraiser)

12 reflectometer

13 standard hardness tester

14 hot needle

15 electronic balance

16 Portable Instrument Kit

Fourth, gem processing.

Verb (abbreviation for verb) gem and diamond

1 the nature of the king of gems

2. Morphology and processing of gemstones and diamonds

3 World-famous diamond soft clothes

4 diamond identification

5 Identification of diamonds and possible substitutes

Artificial gem diamonds, diamond discoloration and double stones.

7 evaluation of diamond quality

Origin and deposit of diamonds

9 changes in the origin of diamonds

10 China diamond

1 1 World Gem and Diamond Sales

12 diamond jewelry

6. Ruby and sapphire

1 overview

Artificial Ruby and Sapphire and Their Identification

3 The difference between ruby and substitute

4 The difference between sapphire and substitute

The Origin of Ruby and Sapphire in the World

Ruby and sapphire in China.

7 Color changes of rubies and sapphires

Seven, jade

1 overview

2 artificial emeralds

3 Identification of natural emeralds and artificial emeralds

4 The difference between natural emeralds and other green gems

The origin of 5 world emeralds

Eight, beryl and aquamarine

1 overview

aquamarine

3 all kinds of beryl gems

Identification of aquamarine and its analogues

5 color change of beryl gem

Nine, cat's eye and variable stone

1 overview

2 cat eyes

3 variable stone

4 Identification of variable stones and similar products

5 artificial variable stone

Transparent

1 overview

Colorless crystal

3 amethyst

4 Barasuishou

5 smoke crystal, tea crystal and ink crystal

Quartz cat's eye and starlight should be in time.

7 crystals and bristle crystals

8 crystal producing areas in China.

Eleven, stone marrow and agate

1 chalcedony

2 agate

Twelve. opal

1 overview

Two kinds of gem opal

3. False opal, artificial opal and their identification

4 the origin of opal

Thirteen. garnet

1 overview

2 Mg-Al garnet (Mg-Al garnet)

3 Fe-Al garnet (Fe-Al garnet)

4 manganese aluminum garnet (manganese aluminum garnet)

5 calcium aluminum garnet (calcium aluminum garnet)

6 Calcium iron garnet (andradite)

Fourteen spinel

1 overview

2 gem spinels

3 synthetic spinel and its identification

The origin of spinel 4

Fifteen, zircon

1 overview

Two kinds of zircon

3 The difference between zircon and similar gems

Radioactivity of zircon

Sixteen. Topaz; topaz

1 overview

Two kinds of topaz

3 The difference between topaz and similar gems

4 Color change of colorless topaz

17. Tourmaline (Tourmaline)

1 overview

2 The color of tourmaline

Characteristics and genesis of tourmaline

Eighteen, olivine

1 overview

2 The difference between olive stones and counterfeit products

3 olivine producing area

Nineteen, Tanzanite (zoisite)

Twenty, glass

1 overview

2 Types and characteristics of glass

3 glass identification method

Twenty-one, combined gems

1 overview

Two kinds of combined gems

Identification of 3 combined gems

Artificial gem.

1 method for synthesizing gems

2 artificial rutile

scheelite

4 cubic zirconia

Strontium 5 quinoline acid

6 lithium niobate

7 artificial rare earth garnet

Twenty-three, jade

Properties of 1 emerald

2 The color of jadeite

Transparency, land and defects of jadeite jade

4 Evaluation of Emerald

5 Identification of jadeite jade

6 Emerald raw materials

7 fake jade

Twenty-four, nephrite (Hetian jade)

Properties of 1 nephrite

Two kinds of nephrite

3 the source and exploitation of nephrite

Twenty-five, other jade

1 xiuyan jade (serpentine jade)

2 dushan jade

3 quartzite jade

4 plum blossom jade

5 turquoise

6 malachite

7 wooden flat food

Twenty-six, pearls

1 composition of pearls

2 the nature of pearls

Three famous pearls

4 the origin of natural pearls

Five cultured pearls in seawater

6 freshwater cultured pearls

7 Identification of natural pearls and cultured pearls

8 Dyed pearls and processed pearls

Imitation pearl and its identification

10 maintenance of pearl ornaments

Appendix Table of Physical Properties of Common Gems