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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (179): Chalcedony Chalcedony Clear All
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ID: 4508411 pcs
thumb image of 3.4ct Pear Cabochon Lavender Blue Chalcedony (ID: 450841)
3.38 ct Chalcedony
10.7 x 8.8 mm
$ 6.76
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ID: 4696421 pcs
thumb image of 41.7ct Cushion Cabochon Lavender Blue Chalcedony (ID: 469642)
41.68 ct Chalcedony
25.2 x 19.7 mm
$ 62.52
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ID: 4696461 pcs
thumb image of 41.4ct Pear Cabochon Lavender Blue Chalcedony (ID: 469646)
41.42 ct Chalcedony
30.9 x 20.4 mm
$ 62.13
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ID: 4696411 pcs
thumb image of 39.5ct Oval Cabochon Lavender Blue Chalcedony (ID: 469641)
39.52 ct Chalcedony
24.9 x 20 mm
$ 59.28
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ID: 4698281 pcs
thumb image of 45.8ct Oval Cabochon Lavender Blue Chalcedony (ID: 469828)
45.76 ct Chalcedony
28 x 24 mm
$ 68.64
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ID: 4587391 pcs
thumb image of 7.9ct Pear Cabochon Lavender Blue Chalcedony (ID: 458739)
7.85 ct Chalcedony
17.2 x 10.5 mm
$ 7.85
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ID: 4698721 pcs
thumb image of 37.9ct Oval Cabochon Lavender Blue Chalcedony (ID: 469872)
37.91 ct Chalcedony
25.1 x 21.4 mm
$ 56.87
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ID: 4698711 pcs
thumb image of 39.2ct Oval Cabochon Lavender Blue Chalcedony (ID: 469871)
39.17 ct Chalcedony
26.4 x 21.2 mm
$ 58.76
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ID: 4587381 pcs
thumb image of 7.6ct Pear Cabochon Lavender Blue Chalcedony (ID: 458738)
7.64 ct Chalcedony
17.5 x 11 mm
$ 7.64
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ID: 4696401 pcs
thumb image of 36ct Oval Cabochon Lavender Blue Chalcedony (ID: 469640)
36.04 ct Chalcedony
26.1 x 19.8 mm
$ 54.06
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ID: 4698301 pcs
thumb image of 34.7ct Pear Cabochon Lavender Blue Chalcedony (ID: 469830)
34.73 ct Chalcedony
26.6 x 22.1 mm
$ 52.10
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ID: 3344462 pcs
thumb image of 5.3ct Heart Cabochon Lavender Blue Chalcedony (ID: 334446)
5.33 ct Chalcedony
9 x 9 mm
$ 8.58
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ID: 2740712 pcs
thumb image of 13.7ct Heart Cabochon Lavender Blue Chalcedony (ID: 274071)
13.65 ct Chalcedony
12.2 x 12.1 mm
$ 51.87
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ID: 3239561 pcs
thumb image of 4.3ct Pear Cabochon Lavender Blue Chalcedony (ID: 323956)
4.31 ct Chalcedony
11.2 x 9.2 mm
$ 8.62
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ID: 4698731 pcs
thumb image of 34.3ct Oval Cabochon Lavender Blue Chalcedony (ID: 469873)
34.30 ct Chalcedony
23.3 x 19.1 mm
$ 51.45
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ID: 3428581 pcs
thumb image of 3.6ct Heart Cabochon Lavender Blue Chalcedony (ID: 342858)
3.55 ct Chalcedony
10.2 x 10 mm
$ 8.89
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ID: 4698321 pcs
thumb image of 34.3ct Pear Cabochon Lavender Blue Chalcedony (ID: 469832)
34.31 ct Chalcedony
28.5 x 22.8 mm
$ 51.47
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ID: 3034462 pcs
thumb image of 4.1ct Heart Cabochon Lavender Blue Chalcedony (ID: 303446)
4.08 ct Chalcedony
8.1 x 7.8 mm
$ 8.16
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ID: 2740682 pcs
thumb image of 13.4ct Heart Cabochon Lavender Blue Chalcedony (ID: 274068)
13.37 ct Chalcedony
12.2 x 12.1 mm
$ 50.81
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ID: 4698351 pcs
thumb image of 33.8ct Pear Cabochon Lavender Blue Chalcedony (ID: 469835)
33.78 ct Chalcedony
26.1 x 19.3 mm
$ 50.67
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ID: 3428571 pcs
thumb image of 3.6ct Heart Cabochon Lavender Blue Chalcedony (ID: 342857)
3.63 ct Chalcedony
10.9 x 10.7 mm
$ 9.09
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Chalcedony

Chalcedony, or calcedony, is a fine-grained variety of the silica mineral quartz. It has a waxy luster and appears in a great variety of colors - usually blue-white, buff, light tan, gray, yellow or brown. Chalcedony is named after the ancient seaport of Chalcedon (Kadikoy, Turkey). Archaeologists have dug up Babylonian and Assyrian chalcedony cylinder-seals dating from 500 BC. Common forms of chalcedony include agate, bloodstone, jasper, and onyx.

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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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