$7.00
Download NowSold by sellerstore on Tradebit
The world's largest download marketplace
3,251,543 satisfied buyers
The world's largest download marketplace
3,251,543 satisfied buyers
Precious Stones
CONTENTS :
I. HOW STONES ARE DISTINGUISHED FROM ONE ANOTHER
II. REFRACTION
III. DOUBLE REFRACTION
IV. ABSORPTION AND DICHROISM
V. SPECIFIC GRAVITY
VI. SPECIFIC GRAVITY DETERMINATIONS
VII. LUSTER AND OTHER REFLECTION EFFECTS
VIII. HARDNESS
IX. HARDNESS (Continued)
X. DISPERSION
XI. COLOR
XII. COLOR (Continued)
XIII. COLOR (Continued)
XIV. COLOR (Concluded)
[xii]XV. HOW TO TELL SCIENTIFIC STONES FROM NATURAL GEMS
XVI. HOW TO TEST AN
"UNKNOWN" GEM
XVII. SUITABILITY OF STONES FOR VARIOUS TYPES OF JEWELS, AS DETERMINED BY HARDNESS, BRITTLENESS, AND CLEAVABILITY
XVIII. MINERAL SPECIES TO WHICH THE VARIOUS GEMS BELONG AND THE CHEMICAL COMPOSITION THEREOF
XIX. THE NAMING OF PRECIOUS STONES
XX. THE NAMING OF PRECIOUS STONES (Concluded)
XXI. WHERE PRECIOUS STONES ARE FOUND
XXII. HOW ROUGH PRECIOUS STONES ARE CUT
XXIII. HOW ROUGH PRECIOUS STONES ARE CUT AND WHAT CONSTITUTES GOOD "MAKE"
[xiii]XXIV. FORMS GIVEN TO PRECIOUS STONES
XXV. IMITATIONS OF PRECIOUS STONES
XXVI. ALTERATION OF THE COLOR OF PRECIOUS STONES
XXVII. PEARLS
XXVIII. CULTURED PEARLS AND IMITATIONS OF PEARLS
XXIX. THE USE OF BALANCES AND THE UNIT OF WEIGHT IN USE FOR PRECIOUS STONES
XXX. TARIFF LAWS ON PRECIOUS AND IMITATION STONES
Tags: gem
File Data
This file is sold by sellerstore, an independent seller on Tradebit.
| File Size | 1 megabytes |
| File Type | ZIP |