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Sec. III, Ch. 7: The Emerald
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The Emerald.
207
one shaft and took out string to the length of 450 feet. The descent was a steep incline
>
with occasional perpendiĀcular drops of six to ten feet. At this depth was a chamber where were ranged some thirty baskets of ore all ready for raising to the surface. It was difficult to beĀlieve that the baskets were seventy years old.
The old Emerald mines of Egypt have recently been visited on my behalf by Mr. H. W. Seton-Karr. In December, 1897, he explored the ancient workings of Sikait and of Zabbara, and brought home a quantity of rough Emerald, some of which has yielded stones of excellent quality. The prevailing rock, forming the matrix of the Emerald, seems to be mica schist, of various colours. In the white schist he found small Emeralds of brilliant green colour ; in the grey schist, the crystals were larger but not of such bright hues ; whilst in the black schist, the Emeralds though very large are of such poor quality as to be practically worthless.
It seems unlikely that these mines, which were so extensively worked by the ancients and yielded valuable gems like those of Cleopatra, should be exhausted. Believing that they will be well-worth re-opening and working by our improved modern methods of mining, I have applied to the Egyptian Government for a concession, and at the time of writing am awaiting a reply to my application.
RUSSIAN EMERALDS.
Emeralds were first discovered in Russia in 1830, when a charcoal-burner found crystals of the mineral at the roots of a tree which had been overturned by the wind. He took the crystals to Ekaterinburg, where the traders in precious stones at once recognized their value. This
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of 366
Table Of Contents
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Streeter: Precious Stones and Gems
Introduction & Preface
Sec. I, Ch. 1
: Precious Stone or Gem Defined
Sec. I, Ch. 2
: Where Precious Stones are Found
Sec. I, Ch. 3
: Uses in Bygone Times
Sec. I, Ch. 4
: Working of Precious Stones
Sec. I, Ch. 5
: Engraving & Carving
Sec. I, Ch. 6
: Precious Stones as Objects of Commerce
Sec. I, Ch. 7
: Burning & Colouring of Precious Stones
Sec. II, Ch. 1
: Diamonds
Sec. II, Ch. 2
: African Diamonds
Sec. II, Ch. 3
: Australian Diamonds
Sec. II, Ch. 4
: Borneo Diamonds
Sec. II, Ch. 5
: Brazilian Diamonds
Sec. II, Ch. 6
: British Guiana Diamond
Sec. II, Ch. 7
: Indian Diamonds
Sec. II, Ch.
: Russian Diamonds
Sec. II, Ch. 9
: United States Diamonds
Sec. II, Ch. 10
: Coloured Diamonds
Sec. II, Ch. 11
: Bort Diamonds
Sec. II, Ch. 12
: Carbonado Diamonds
Sec. II, Ch. 13
: Value of Rough Diamonds
Sec. III, Ch. 1
: Ruby
Sec. III, Ch.
2: Ruby Mines of Burma
Sec. III, Ch. 3
: Ruby Mines of Burma Connection
Sec. III, Ch. 4
: The Sapphire
Sec. III, Ch.
: Star Stones
Sec. III, Ch. 6
: Spinel & Balas
Sec. III, Ch. 7
: Emeralds
Sec. III, Ch. 8
: Cat's Eye, The Chrysoberyl
Sec. III, Ch. 9
: Alexandrite
Sec. III, Ch. 10
: Opals
Sec. III, Ch. 11
: Turquoise
Sec. IV, Ch. 1
: Agate
Sec. IV, Ch. 2
: Amazonite
Sec. IV, Ch. 3
: Amber
Sec. IV, Ch. 4
: Amethysts
Sec. IV, Ch. 5
: Andalusite
Sec. IV, Ch. 6
: Aquamarines or Beryl
Sec. IV, Ch. 7
: Aventurine
Sec. IV, Ch. 8
: Bloodstones
Sec. IV, Ch. 9
: Carnelian
Sec. IV, Ch. 10
: Chrysoberyl
Sec. IV, Ch. 11
: Chrysoprase
Sec. IV, Ch. 12
: Crocidolite
Sec. IV, Ch. 13
: Euclase
Sec. IV, Ch. 14
: Garnet, Carbuncle, & Cinnamon Stone
Sec. IV, Ch. 15
: Hematite
Sec. IV, Ch. 16
: Hiddenite
Sec. IV, Ch. 17
: Iolite
Sec. IV, Ch. 18
: Jade
Sec. IV, Ch. 19
: Jasper
Sec. IV, Ch. 20
: Labradorite
Sec. IV, Ch. 21
: Lapis-lazuli
Sec. IV, Ch. 22
: Malachite
Sec. IV, Ch. 23
: Moonstone, Selenite, & Sunstone
Sec. IV, Ch. 24
: Moroxite
Sec. IV, Ch. 25
: Obsidian
Sec. IV, Ch. 26
: Oriental Onyx
Sec. IV, Ch. 27
: Peridot or Chrysolite
Sec. IV, Ch. 28
: Phenakite
Sec. IV, Ch. 29
: Quartz Cat's Eye
Sec. IV, Ch. 30
: Rhodonite
Sec. IV, Ch. 31
: Rock Crystal
Sec. IV, Ch. 32
: Sphene
Sec. IV, Ch. 33
: Spodumene
Sec. IV, Ch. 34
: Topaz
Sec. IV, Ch. 35
: Tourmaline
Sec. IV, Ch. 36
: Zircon or Jargoon
Appendix A
: Discrimination of Precious Stones
Appendix B
Index
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