rubies

Geology Science 10 of 10 appearances
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"rubies" appearances by year

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84
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94
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2
99
04
1
09
1
14
19
24

All Geology clues by year

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84
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89
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75
94
13
99
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04
20
09
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24
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# Clue Answer As Given Value Round Category Air Date Show
A British coronation ring features 5 of these red gems in the shape of a cross lying over a large sapphire rubies $400 DJ GEMS 2013-03-29 #6575
The Bible tells us "The price of wisdom is above" these gems, July's birthstone rubies $600 J GEMS 2008-06-25 #5493
This highly prized form of corundum gets its red color from minute amounts of chromium Rubies $200 J GEMS & JEWELRY 1996-04-12 #2685
Auguste Verneuil developed the flame-fusion process of creating these red gems artificially Rubies $600 DJ GEMS 1996-01-31 #2633
The finest of these red gems are obtained from limestone gravel in Myanmar rubies $200 J GEMS & JEWELRY 1995-09-05 #2527
The British Coronation ring contains these red gems in the shape of St. George's Cross rubies $400 J GEMS & JEWELRY 1995-02-15 #2413
The most highly valued of these gems are a deep color known as pigeon blood rubies DD $800 J GEMS & JEWELRY 1992-10-05 #1856
The most valued of these gems are a deep purplish red color known as "pigeon blood" Rubies $400 DJ GEMS & JEWELS 1989-12-08 #1215
The Mogok area of Burma produces the world's finest specimens of these red stones rubies $200 J GEMS 1986-04-29 #427
Carat for carat, these corundum gems are the most expensive in the world rubies FJ ROCKS & MINERALS 1984-12-26 #78
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