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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (4146): October Birthstones - Tourmaline, Fire Opal, Moss Opal, Opal, Opal Doublet, Cat's Eye Tourmaline, Paraiba Tourmaline, Chrome Tourmaline, Rubellite Tourmaline, Boulder Opal, Chocolate Opal, Black Opal Clear All
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ID: 4505482 pcs
thumb image of 1.5ct Oval Facet Orange Fire Opal (ID: 450548)
1.54 ct Fire Opal
8.1 x 6 mm
$ 41.24
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ID: 3898672 pcs
thumb image of 2.3ct Oval Facet Golden Green Tourmaline (ID: 389867)
2.25 ct Tourmaline
8.2 x 5.9 mm
$ 68.72
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ID: 3280041 pcs
thumb image of 17.4ct Octagon Facet Bi-color Tourmaline (ID: 328004)
17.35 ct Tourmaline
66.5 x 6.3 mm
$ 3470.50
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ID: 3832011 pcs
thumb image of 0.6ct Oval Facet Reddish Orange Fire Opal (ID: 383201)
0.56 ct Fire Opal
5.9 x 5.2 mm
$ 17.93
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ID: 4784851 pcs
thumb image of 2ct Trillion Cabochon Yellow Opal (ID: 478485)
1.95 ct Opal
10.1 x 9.9 mm
$ 68.25
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ID: 3981591 pcs
thumb image of 1.4ct Octagon Facet Green Tourmaline (ID: 398159)
1.37 ct Tourmaline
21.1 x 2.8 mm
$ 30.14
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ID: 4541172 pcs
thumb image of 1.7ct Oval Facet Orange Fire Opal (ID: 454117)
1.72 ct Fire Opal
7.9 x 6 mm
$ 45.30
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ID: 3784252 pcs
thumb image of 0.9ct Oval Facet Yellowish Green Tourmaline (ID: 378425)
0.91 ct Tourmaline
6 x 4.2 mm
$ 27.30
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ID: 3155865 pcs
thumb image of 3.9ct Briolette with Hole Multicolor Tourmaline (ID: 315586)
3.87 ct Tourmaline
6.4 mm
$ 69.08
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ID: 4164631 pcs
thumb image of 12.3ct Oval Facet Golden Green Tourmaline (ID: 416463)
12.25 ct Tourmaline
15.7 x 12.8 mm
$ 2450.00
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ID: 4672701 pcs
thumb image of 18.3ct Oval Cabochon White Opal (ID: 467270)
18.33 ct Opal
20 x 16.9 mm
$ 737.97
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ID: 4847811 pcs
thumb image of 1.8ct Oval Cabochon Pink Opal (ID: 484781)
1.83 ct Opal
9 x 6.9 mm
$ 6.04
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ID: 4784624 pcs
thumb image of 1.2ct Round Cabochon Multicolor Opal (ID: 478462)
1.17 ct Opal
4.8 mm
$ 40.95
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ID: 4731232 pcs
thumb image of 2.6ct Oval Cabochon Multicolor Black Opal (ID: 473123)
2.62 ct Black Opal
9.1 x 7.3 mm
$ 54.84
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ID: 4311491 pcs
thumb image of 1.4ct Oval Facet Orange Fire Opal (ID: 431149)
1.41 ct Fire Opal
10.6 x 7.7 mm
$ 49.28
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ID: 3623881 pcs
thumb image of 20.5ct Octagon Checkerboard Black Tourmaline (ID: 362388)
20.46 ct Tourmaline
22.1 x 11.1 mm
$ 56.27
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ID: 3164601 pcs
thumb image of 1.9ct Oval Facet Multicolor Opal (ID: 316460)
1.87 ct Opal
11.6 x 8.3 mm
$ 74.80
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ID: 4728392 pcs
thumb image of 24ct Carved Leaf Cabochon Blue Tourmaline (ID: 472839)
23.97 ct Tourmaline
25.5 x 19.6 mm
$ 239.70
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ID: 4505582 pcs
thumb image of 1.5ct Oval Facet Orange Fire Opal (ID: 450558)
1.46 ct Fire Opal
8 x 6.1 mm
$ 39.10
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ID: 3769581 pcs
thumb image of 1.2ct Oval Facet Green Chrome Tourmaline (ID: 376958)
1.17 ct Chrome Tourmaline
8 x 5.3 mm
$ 149.90
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ID: 3355656 pcs
thumb image of 3.4ct Briolette with Hole Multi Green Tourmaline (ID: 335565)
3.37 ct Tourmaline
6.7 mm
$ 51.22
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October Birthstones
Opal and tourmaline are the birthstones for October, providing choices in every possible color. More than any other gem, each opal is distinctly an individual. No other stone has as rich and varied a folklore. Opals are also the most delicate gems commonly worn. They require special care to ensure their health and longevity.

Tourmaline derives from the Sinhalese term "turamali", which translates as "stone of mixed colors". The very name refers to the unique spectrum of colors displayed by this gemstone, which is second to none in the realm of precious stones. One of the most versatile of gemstones, tourmaline is available in every color, from colorless to black. It can show every tone from pastel to dark, and can exhibit various colors in the same stone.

The astrological stone for Scorpio is beryl. Beryl is one of the most important mineral groups and also one of the biggest gemstone groups. Although the mineral is abundant, it rarely occurs in transparent gem-quality material. Transparent gem-quality beryl is referred to as 'precious beryl'. The most famous beryl gemstone is green emerald, followed by blue aquamarine. Golden beryl is not very well-known by the general public. Other popular beryl gems include pink 'morganite' and white, or colorless, 'goshenite'. Red beryl is the rarest variety of beryl and it is known in the trade as 'bixbite'.
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Size and Weight

Gems are always measured in Millimeter (mm)

Dimensions are given as;
length x width x depth,
except for round stones which are;
diameter x depth

Select gems by size, not by weight!
Gem varieties vary in density, so carat weight is not a good indication of size

Note: 1ct = 0.2g

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