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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (4011): 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: 4162761 pcs
thumb image of 1.3ct Octagon Facet Green Tourmaline (ID: 416276)
1.25 ct Tourmaline
12.9 x 3.2 mm
$ 30.00
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ID: 4728392 pcs
thumb image of 24ct Fantasy Carved Leaf Blue Tourmaline (ID: 472839)
23.97 ct Tourmaline
25.5 x 19.6 mm
$ 239.70
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ID: 3695721 pcs
thumb image of 1.2ct Round Facet Reddish Orange Fire Opal (ID: 369572)
1.23 ct Fire Opal
7.6 mm
$ 39.89
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ID: 3355885 pcs
thumb image of 2.1ct Briolette with Hole Multicolor Tourmaline (ID: 335588)
2.11 ct Tourmaline
5.3 mm
$ 33.76
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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: 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: 4834721 pcs
thumb image of 6.1ct Oval Cabochon Pink Opal (ID: 483472)
6.09 ct Opal
14 x 10.2 mm
$ 20.28
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ID: 4649344 pcs
thumb image of 1.7ct Round Cabochon Multicolor Black Opal (ID: 464934)
1.65 ct Black Opal
5.1 mm
$ 49.50
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ID: 3486041 pcs
thumb image of 2.3ct Octagon Facet Green Tourmaline (ID: 348604)
2.34 ct Tourmaline
16.2 x 4.1 mm
$ 58.50
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ID: 3182671 pcs
thumb image of 1.1ct Oval Facet Multicolor Opal (ID: 318267)
1.07 ct Opal
8.9 x 7 mm
$ 44.94
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ID: 4016042 pcs
thumb image of 1.7ct Oval Facet Golden Brown Tourmaline (ID: 401604)
1.65 ct Tourmaline
6.7 x 5.2 mm
$ 61.71
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ID: 48084330 pcs
thumb image of 3.5ct Square with Hole Yellow Opal (ID: 480843)
3.48 ct Opal
3.8 x 3.7 mm
$ 22.55
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ID: 3207747 pcs
thumb image of 2.9ct Briolette with Hole Yellow Green Tourmaline (ID: 320774)
2.89 ct Tourmaline
5.4 mm
$ 52.02
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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: 4620931 pcs
thumb image of 17.3ct Oval Cabochon Multicolor Opal (ID: 462093)
17.26 ct Opal
19.3 x 14.8 mm
$ 694.89
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ID: 4914141 pcs
thumb image of 1.1ct Oval Cabochon Pink Opal (ID: 491414)
1.14 ct Opal
9 x 6.9 mm
$ 2.54
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ID: 4905441 pcs
thumb image of 1.4ct Pear Cabochon Multicolor Black Opal (ID: 490544)
1.38 ct Black Opal
9.2 x 7.5 mm
$ 20.77
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ID: 4500741 pcs
thumb image of 0.6ct Octagon Step Cut Green Tourmaline (ID: 450074)
0.59 ct Tourmaline
12.7 x 2.4 mm
$ 14.75
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ID: 4848242 pcs
thumb image of 6.4ct Oval Cabochon Pink Opal (ID: 484824)
6.37 ct Opal
11 x 9.1 mm
$ 21.02
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ID: 3833291 pcs
thumb image of 1.6ct Octagon Facet Green Tourmaline (ID: 383329)
1.58 ct Tourmaline
15 x 3.6 mm
$ 30.30
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ID: 3791892 pcs
thumb image of 1.6ct Oval Facet Greenish Golden Tourmaline (ID: 379189)
1.55 ct Tourmaline
7.1 x 5.1 mm
$ 70.32
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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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