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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (133): 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: 4694091 pcs
thumb image of 26.9ct Oval Cabochon Lavender Blue Chalcedony (ID: 469409)
26.93 ct Chalcedony
23 x 17 mm
$ 40.40
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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: 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: 4694111 pcs
thumb image of 32.3ct Pear Cabochon Lavender Blue Chalcedony (ID: 469411)
32.34 ct Chalcedony
31.1 x 18.9 mm
$ 48.51
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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: 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: 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: 3095911 pcs
thumb image of 22.8ct Oval Carved Cameo Lavender Blue Chalcedony (ID: 309591)
22.84 ct Chalcedony
28.3 x 23.1 mm
$ 34.26
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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: 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: 4695801 pcs
thumb image of 19.9ct Pear Cabochon Lavender Blue Chalcedony (ID: 469580)
19.94 ct Chalcedony
19.3 x 18.3 mm
$ 29.91
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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: 3251821 pcs
thumb image of 4.4ct Pear Cabochon Lavender Blue Chalcedony (ID: 325182)
4.40 ct Chalcedony
11.4 x 8.9 mm
$ 8.80
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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: 3430761 pcs
thumb image of 3.6ct Heart Cabochon Lavender Blue Chalcedony (ID: 343076)
3.57 ct Chalcedony
10 x 10 mm
$ 8.95
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ID: 4695821 pcs
thumb image of 27.9ct Oval Cabochon Lavender Blue Chalcedony (ID: 469582)
27.86 ct Chalcedony
22.2 x 18.1 mm
$ 41.79
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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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ID: 4583771 pcs
thumb image of 27.7ct Oval Cabochon Lavender Blue Chalcedony (ID: 458377)
27.68 ct Chalcedony
19.9 x 18 mm
$ 27.68
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ID: 4583811 pcs
thumb image of 27.1ct Oval Cabochon Lavender Blue Chalcedony (ID: 458381)
27.10 ct Chalcedony
20 x 18.1 mm
$ 27.10
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ID: 4584951 pcs
thumb image of 8.7ct Pear Cabochon Lavender Blue Chalcedony (ID: 458495)
8.69 ct Chalcedony
16.7 x 13.1 mm
$ 8.69
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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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