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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (215): Chalcedony Chalcedony Clear All
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ID: 3244191 pcs
thumb image of 2.3ct Heart Cabochon Lavender Blue Chalcedony (ID: 324419)
2.26 ct Chalcedony
9 x 8.9 mm
$ 5.65
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ID: 4696431 pcs
thumb image of 45.9ct Oval Cabochon Lavender Blue Chalcedony (ID: 469643)
45.91 ct Chalcedony
26.3 x 22.2 mm
$ 68.87
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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: 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: 4745141 pcs
thumb image of 6ct Pear Cabochon Lavender Blue Chalcedony (ID: 474514)
5.95 ct Chalcedony
15.6 x 12.2 mm
$ 7.14
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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: 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: 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: 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: 4696381 pcs
thumb image of 36.7ct Oval Cabochon Lavender Blue Chalcedony (ID: 469638)
36.74 ct Chalcedony
20.5 x 19.3 mm
$ 55.11
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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: 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: 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: 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: 4696371 pcs
thumb image of 35.3ct Oval Cabochon Lavender Blue Chalcedony (ID: 469637)
35.33 ct Chalcedony
25.8 x 19.6 mm
$ 53.00
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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: 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: 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: 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: 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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ID: 4698271 pcs
thumb image of 70.3ct Oval Cabochon Lavender Blue Chalcedony (ID: 469827)
70.34 ct Chalcedony
29.7 x 23 mm
$ 105.51
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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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