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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (4472): 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: 2557901 pcs
thumb image of 1.1ct Oval Facet Yellowish Green Tourmaline (ID: 255790)
1.12ct Tourmaline
7.02 x 6.03 x 3.92mm
USD 29.40
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ID: 3687002 pcs
thumb image of 1.4ct Oval Cabochon Multicolor Opal (ID: 368700)
1.35ct Opal
8.04 x 5.99 x 2.86mm
USD 36.92
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ID: 3651761 pcs
thumb image of 1.5ct Octagon Facet Green Tourmaline (ID: 365176)
1.49ct Tourmaline
15.96 x 3.17 x 2.86mm
USD 29.73
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ID: 3988481 pcs
thumb image of 0.8ct Octagon Facet Green Tourmaline (ID: 398848)
0.84ct Tourmaline
10.82 x 3.60 x 2.09mm
USD 18.48
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ID: 44694420 pcs
thumb image of 6.8ct Oval Cabochon Multicolor Opal Doublet (ID: 446944)
6.82ct Opal Doublet
6.08 x 4.20 x 1.71mm
USD 102.30
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ID: 4321041 pcs
thumb image of 0.6ct Oval Cabochon Multicolor Opal (ID: 432104)
0.57ct Opal
6.90 x 5.57 x 3.30mm
USD 15.96
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ID: 4161501 pcs
thumb image of 1.4ct Octagon Facet Green Tourmaline (ID: 416150)
1.44ct Tourmaline
16.18 x 3.87 x 2.27mm
USD 34.56
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ID: 3155865 pcs
thumb image of 3.9ct Briolette with Hole Multicolor Tourmaline (ID: 315586)
3.87ct Tourmaline
6.40 x 4.16mm
USD 69.08
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ID: 3785404 pcs
thumb image of 1.7ct Oval Facet Yellowish Green Tourmaline (ID: 378540)
1.73ct Tourmaline
6.03 x 4.13 x 2.90mm
USD 78.72
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ID: 3804051 pcs
thumb image of 21.5ct Pear Cabochon Yellow Fire Opal (ID: 380405)
21.54ct Fire Opal
29.68 x 16.29 x 10.03mm
USD 465.48
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ID: 3783172 pcs
thumb image of 1.2ct Octagon Facet Yellowish Green Tourmaline (ID: 378317)
1.17ct Tourmaline
6.04 x 4.02 x 2.79mm
USD 53.24
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ID: 3672184 pcs
thumb image of 3ct Oval Facet Reddish Orange Fire Opal (ID: 367218)
2.97ct Fire Opal
7.07 x 5.76 x 3.92mm
USD 99.05
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ID: 2600431 pcs
thumb image of 1.5ct Oval Facet Yellow Green Tourmaline (ID: 260043)
1.46ct Tourmaline
7.24 x 6.45 x 4.56mm
USD 32.12
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ID: 4379341 pcs
thumb image of 1.2ct Octagon Facet Green Tourmaline (ID: 437934)
1.24ct Tourmaline
16.52 x 3.16 x 2.26mm
USD 31.00
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ID: 3832341 pcs
thumb image of 0.8ct Round Facet Reddish Orange Fire Opal (ID: 383234)
0.83ct Fire Opal
7.45 x 3.44mm
USD 26.58
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ID: 4199021 pcs
thumb image of 0.9ct Oval Facet Rose Tourmaline (ID: 419902)
0.87ct Tourmaline
6.47 x 5.41 x 3.39mm
USD 43.50
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ID: 4196041 pcs
thumb image of 1.5ct Oval Facet Rose Pink Tourmaline (ID: 419604)
1.50ct Tourmaline
8.58 x 6.55 x 3.90mm
USD 150.00
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ID: 4152861 pcs
thumb image of 1.2ct Oval Facet Green Tourmaline (ID: 415286)
1.19ct Tourmaline
6.75 x 5.72 x 4.55mm
USD 59.50
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ID: 3833821 pcs
thumb image of 1ct Oval Facet Reddish Orange Fire Opal (ID: 383382)
0.95ct Fire Opal
7.88 x 6.43 x 4.10mm
USD 30.36
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ID: 3484051 pcs
thumb image of 2.1ct Octagon Facet Green Tourmaline (ID: 348405)
2.13ct Tourmaline
23.17 x 3.78 x 2.42mm
USD 53.25
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ID: 4163111 pcs
thumb image of 1.9ct Octagon Facet Green Tourmaline (ID: 416311)
1.85ct Tourmaline
19.36 x 3.53 x 2.54mm
USD 44.40
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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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