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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (4223): 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: 3483761 pcs
thumb image of 2.1ct Octagon Facet Green Tourmaline (ID: 348376)
2.13 ct Tourmaline
16.7 x 4.2 mm
$ 53.25
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ID: 3794562 pcs
thumb image of 1.5ct Oval Facet Golden Orange Tourmaline (ID: 379456)
1.52 ct Tourmaline
7 x 5.1 mm
$ 68.96
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ID: 3694381 pcs
thumb image of 1.7ct Oval Facet Reddish Orange Fire Opal (ID: 369438)
1.74 ct Fire Opal
9.9 x 8 mm
$ 56.43
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ID: 4319752 pcs
thumb image of 1.4ct Oval Facet Orange Fire Opal (ID: 431975)
1.41 ct Fire Opal
7.8 x 6.1 mm
$ 37.49
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ID: 3787994 pcs
thumb image of 1.7ct Oval Facet Yellowish Green Tourmaline (ID: 378799)
1.66 ct Tourmaline
5.9 x 4.1 mm
$ 75.53
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ID: 4171911 pcs
thumb image of 24.1ct Oval Facet Golden Green Tourmaline (ID: 417191)
24.08 ct Tourmaline
17.4 x 14.5 mm
$ 4816.00
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ID: 4312311 pcs
thumb image of 0.6ct Oval Cabochon White Opal (ID: 431231)
0.56 ct Opal
6.4 x 5.6 mm
$ 11.20
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ID: 4514571 pcs
thumb image of 1.9ct Pear Facet Purplish Red Rubellite Tourmaline (ID: 451457)
1.90 ct Rubellite Tourmaline
6.8 x 10.1 mm
$ 570.00
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ID: 3488711 pcs
thumb image of 24ct Pear Checkerboard Black Tourmaline (ID: 348871)
23.98 ct Tourmaline
20 x 17.3 mm
$ 65.95
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ID: 4296521 pcs
thumb image of 1.6ct Oval Facet Purplish Red Rubellite Tourmaline (ID: 429652)
1.60 ct Rubellite Tourmaline
6.8 x 8.9 mm
$ 494.99
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ID: 3794592 pcs
thumb image of 2.2ct Oval Facet Greenish Golden Tourmaline (ID: 379459)
2.20 ct Tourmaline
8 x 6 mm
$ 105.60
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ID: 3102871 pcs
thumb image of 1.3ct Oval Facet Multicolor Opal (ID: 310287)
1.25 ct Opal
9.1 x 7 mm
$ 50.00
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ID: 4296471 pcs
thumb image of 2ct Pear Facet Purplish Red Rubellite Tourmaline (ID: 429647)
1.95 ct Rubellite Tourmaline
6.9 x 10.1 mm
$ 599.99
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ID: 4321522 pcs
thumb image of 1.3ct Oval Facet Orange Fire Opal (ID: 432152)
1.31 ct Fire Opal
8 x 6.1 mm
$ 34.83
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ID: 3788594 pcs
thumb image of 3.4ct Oval Facet Yellowish Green Tourmaline (ID: 378859)
3.35 ct Tourmaline
7.1 x 5.1 mm
$ 152.43
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ID: 4540264 pcs
thumb image of 2.3ct Oval Facet Orange Fire Opal (ID: 454026)
2.34 ct Fire Opal
7.9 x 5.9 mm
$ 61.64
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ID: 4503431 pcs
thumb image of 0.4ct Octagon Step Cut Green Tourmaline (ID: 450343)
0.36 ct Tourmaline
5.7 x 2.8 mm
$ 9.00
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ID: 4542181 pcs
thumb image of 0.7ct Oval Facet Orange Fire Opal (ID: 454218)
0.65 ct Fire Opal
7.7 x 6 mm
$ 17.12
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ID: 3485421 pcs
thumb image of 2.2ct Octagon Facet Green Tourmaline (ID: 348542)
2.22 ct Tourmaline
16.5 x 3.8 mm
$ 55.50
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ID: 3784892 pcs
thumb image of 1ct Octagon Facet Yellowish Green Tourmaline (ID: 378489)
1.00 ct Tourmaline
6 x 4 mm
$ 30.00
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ID: 3145951 pcs
thumb image of 1.3ct Marquise Facet Multicolor Opal (ID: 314595)
1.34 ct Opal
14 x 7 mm
$ 53.60
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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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