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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (2744): 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: 4153261 pcs
thumb image of 1.2ct Oval Facet Golden Green Tourmaline (ID: 415326)
1.22 ct Tourmaline
7.5 x 5.3 mm
$ 61.00
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ID: 3094821 pcs
thumb image of 0.8ct Oval Facet Multicolor Opal (ID: 309482)
0.78 ct Opal
8.4 x 6.2 mm
$ 33.54
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ID: 4135891 pcs
thumb image of 1.5ct Octagon Facet Yellowish Green Tourmaline (ID: 413589)
1.52 ct Tourmaline
7.4 x 5.9 mm
$ 68.40
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ID: 3355615 pcs
thumb image of 2.2ct Briolette with Hole Green Tourmaline (ID: 335561)
2.18 ct Tourmaline
5.7 mm
$ 34.88
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ID: 4152571 pcs
thumb image of 1.1ct Oval Facet Green Tourmaline (ID: 415257)
1.05 ct Tourmaline
7 x 5.5 mm
$ 35.70
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ID: 4492071 pcs
thumb image of 1.2ct Oval Cabochon Multicolor Opal Doublet (ID: 449207)
1.23 ct Opal Doublet
11.2 x 7.2 mm
$ 17.95
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ID: 2408211 pcs
thumb image of 6.6ct Fancy Cabochon Multicolor Boulder Opal (ID: 240821)
6.63 ct Boulder Opal
18.6 x 10.8 mm
$ 46.41
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ID: 4258001 pcs
thumb image of 0.9ct Pear Facet Golden Green Tourmaline (ID: 425800)
0.86 ct Tourmaline
7.5 x 5.8 mm
$ 16.49
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ID: 4212801 pcs
thumb image of 1.6ct Oval Facet Pink Tourmaline (ID: 421280)
1.58 ct Tourmaline
8 x 6.7 mm
$ 79.00
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ID: 4412751 pcs
thumb image of 3.8ct Oval Facet Green Tourmaline (ID: 441275)
3.75 ct Tourmaline
9.9 x 9 mm
$ 637.50
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ID: 4241741 pcs
thumb image of 1.6ct Oval Facet Rose Pink Tourmaline (ID: 424174)
1.58 ct Tourmaline
7.6 x 6.5 mm
$ 158.00
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ID: 3298154 pcs
thumb image of 5.7ct Oval Cabochon Multicolor Black Opal (ID: 329815)
5.72 ct Black Opal
9.1 x 7.1 mm
$ 228.80
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ID: 4052711 pcs
thumb image of 1.1ct Oval Facet Orange Fire Opal (ID: 405271)
1.06 ct Fire Opal
8.8 x 6.9 mm
$ 24.92
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ID: 4310871 pcs
thumb image of 0.6ct Oval Cabochon Multicolor Opal (ID: 431087)
0.64 ct Opal
6.3 x 5.3 mm
$ 12.80
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ID: 4062141 pcs
thumb image of 19.5ct Carved Turtle Multicolor Opal (ID: 406214)
19.45 ct Opal
25.6 x 18.7 mm
$ 68.66
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ID: 4468422 pcs
thumb image of 1.5ct Oval Cabochon Multicolor Opal Doublet (ID: 446842)
1.53 ct Opal Doublet
8.3 x 6.2 mm
$ 22.95
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ID: 3428214 pcs
thumb image of 3.3ct Trillion Facet Multicolor Tourmaline (ID: 342821)
3.31 ct Tourmaline
6.6 x 6.5 mm
$ 69.51
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ID: 3439361 pcs
thumb image of 1.1ct Oval Facet Multicolor Opal (ID: 343936)
1.14 ct Opal
9.5 x 7 mm
$ 45.60
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ID: 4196171 pcs
thumb image of 1.6ct Oval Facet Rose Pink Tourmaline (ID: 419617)
1.58 ct Tourmaline
8.7 x 6.4 mm
$ 158.00
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ID: 4130541 pcs
thumb image of 1.1ct Oval Facet Yellowish Green Tourmaline (ID: 413054)
1.08 ct Tourmaline
6.4 x 5.5 mm
$ 37.51
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ID: 3652301 pcs
thumb image of 17.6ct Fancy Cabochon Multicolor Boulder Opal (ID: 365230)
17.55 ct Boulder Opal
19.4 x 13.3 mm
$ 122.85
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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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