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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (218): Chalcedony Chalcedony Clear All
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ID: 4740691 pcs
thumb image of 8.4ct Oval Cabochon Lavender Blue Chalcedony (ID: 474069)
8.42 ct Chalcedony
14.1 x 11.2 mm
$ 10.10
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ID: 4697881 pcs
thumb image of 26ct Oval Cabochon Lavender Blue Chalcedony (ID: 469788)
25.98 ct Chalcedony
20.2 x 17.6 mm
$ 38.97
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ID: 4572361 pcs
thumb image of 37.8ct Oval Cabochon Lavender Blue Chalcedony (ID: 457236)
37.81 ct Chalcedony
24.1 x 19.6 mm
$ 37.81
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ID: 3127051 pcs
thumb image of 4.1ct Heart Cabochon Lavender Blue Chalcedony (ID: 312705)
4.07 ct Chalcedony
11.1 x 10.8 mm
$ 10.19
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ID: 3432811 pcs
thumb image of 4.1ct Heart Cabochon Lavender Blue Chalcedony (ID: 343281)
4.10 ct Chalcedony
11.1 x 11 mm
$ 10.25
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ID: 4697791 pcs
thumb image of 24.7ct Oval Cabochon Lavender Blue Chalcedony (ID: 469779)
24.69 ct Chalcedony
20.3 x 16 mm
$ 37.04
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ID: 3251771 pcs
thumb image of 4.9ct Pear Cabochon Lavender Blue Chalcedony (ID: 325177)
4.88 ct Chalcedony
12.3 x 10 mm
$ 9.76
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ID: 3262711 pcs
thumb image of 5.3ct Pear Cabochon Lavender Blue Chalcedony (ID: 326271)
5.25 ct Chalcedony
13.4 x 10.8 mm
$ 10.50
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ID: 4568031 pcs
thumb image of 37.3ct Oval Cabochon Lavender Blue Chalcedony (ID: 456803)
37.28 ct Chalcedony
23.1 x 20.8 mm
$ 37.28
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ID: 4751741 pcs
thumb image of 30.2ct Oval Cabochon Lavender Blue Chalcedony (ID: 475174)
30.24 ct Chalcedony
24.2 x 18.7 mm
$ 36.29
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ID: 3034552 pcs
thumb image of 5.3ct Heart Cabochon Lavender Blue Chalcedony (ID: 303455)
5.32 ct Chalcedony
9.1 x 9.1 mm
$ 10.64
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ID: 4740611 pcs
thumb image of 6.6ct Oval Cabochon Lavender Blue Chalcedony (ID: 474061)
6.61 ct Chalcedony
13.8 x 12.3 mm
$ 7.93
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ID: 4697821 pcs
thumb image of 23.6ct Pear Cabochon Lavender Blue Chalcedony (ID: 469782)
23.57 ct Chalcedony
24.3 x 15.2 mm
$ 35.36
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ID: 4584911 pcs
thumb image of 10.7ct Pear Cabochon Lavender Blue Chalcedony (ID: 458491)
10.67 ct Chalcedony
18.5 x 14.3 mm
$ 10.67
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ID: 4697831 pcs
thumb image of 23.3ct Pear Cabochon Lavender Blue Chalcedony (ID: 469783)
23.25 ct Chalcedony
22.8 x 15.8 mm
$ 34.88
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ID: 4569411 pcs
thumb image of 34.4ct Round Cabochon Lavender Blue Chalcedony (ID: 456941)
34.36 ct Chalcedony
20.2 mm
$ 34.36
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ID: 4740701 pcs
thumb image of 9.1ct Pear Cabochon Lavender Blue Chalcedony (ID: 474070)
9.09 ct Chalcedony
18.1 x 12.7 mm
$ 10.91
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ID: 3252571 pcs
thumb image of 4.1ct Pear Cabochon Lavender Blue Chalcedony (ID: 325257)
4.06 ct Chalcedony
12.2 x 10 mm
$ 8.12
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ID: 4695861 pcs
thumb image of 22.6ct Oval Cabochon Lavender Blue Chalcedony (ID: 469586)
22.63 ct Chalcedony
22.5 x 14.2 mm
$ 33.95
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ID: 4739791 pcs
thumb image of 9.2ct Oval Cabochon Lavender Blue Chalcedony (ID: 473979)
9.18 ct Chalcedony
15.3 x 12.1 mm
$ 11.02
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ID: 4741461 pcs
thumb image of 28.1ct Oval Cabochon Lavender Blue Chalcedony (ID: 474146)
28.14 ct Chalcedony
22.1 x 16.5 mm
$ 33.77
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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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