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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: 3428551 pcs
thumb image of 3.4ct Heart Cabochon Lavender Blue Chalcedony (ID: 342855)
3.42 ct Chalcedony
10 x 9.9 mm
$ 6.84
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ID: 3034844 pcs
thumb image of 10.3ct Heart Cabochon Lavender Blue Chalcedony (ID: 303484)
10.31 ct Chalcedony
9.1 x 8.9 mm
$ 20.62
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ID: 3264401 pcs
thumb image of 3.5ct Pear Cabochon Lavender Blue Chalcedony (ID: 326440)
3.53 ct Chalcedony
11 x 9.7 mm
$ 7.06
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ID: 3252223 pcs
thumb image of 11.7ct Pear Cabochon Lavender Blue Chalcedony (ID: 325222)
11.74 ct Chalcedony
11.2 x 9.1 mm
$ 23.48
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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: 3344472 pcs
thumb image of 4.5ct Heart Cabochon Lavender Blue Chalcedony (ID: 334447)
4.45 ct Chalcedony
8.9 x 8.8 mm
$ 7.16
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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: 4740591 pcs
thumb image of 6.3ct Oval Cabochon Lavender Blue Chalcedony (ID: 474059)
6.31 ct Chalcedony
12.1 x 11 mm
$ 7.57
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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: 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: 3034492 pcs
thumb image of 3.7ct Heart Cabochon Lavender Blue Chalcedony (ID: 303449)
3.65 ct Chalcedony
8.2 x 7.9 mm
$ 7.30
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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: 4698291 pcs
thumb image of 37.7ct Oval Cabochon Lavender Blue Chalcedony (ID: 469829)
37.67 ct Chalcedony
25.3 x 21.8 mm
$ 56.51
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ID: 3253831 pcs
thumb image of 4ct Pear Cabochon Lavender Blue Chalcedony (ID: 325383)
3.96 ct Chalcedony
10.8 x 8.8 mm
$ 7.92
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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: 4697901 pcs
thumb image of 36.3ct Pear Cabochon Lavender Blue Chalcedony (ID: 469790)
36.25 ct Chalcedony
29.2 x 23.1 mm
$ 54.38
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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: 3243571 pcs
thumb image of 4.1ct Heart Cabochon Lavender Blue Chalcedony (ID: 324357)
4.12 ct Chalcedony
10.9 x 10.5 mm
$ 8.24
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ID: 3242611 pcs
thumb image of 4.2ct Heart Cabochon Lavender Blue Chalcedony (ID: 324261)
4.16 ct Chalcedony
11.1 x 11.1 mm
$ 8.32
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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: 3265241 pcs
thumb image of 4.3ct Pear Cabochon Lavender Blue Chalcedony (ID: 326524)
4.28 ct Chalcedony
11.6 x 8.9 mm
$ 8.56
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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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