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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: 4698341 pcs
thumb image of 51ct Oval Cabochon Lavender Blue Chalcedony (ID: 469834)
50.96 ct Chalcedony
28.5 x 21.2 mm
$ 76.44
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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: 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: 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: 3243611 pcs
thumb image of 2.6ct Heart Cabochon Lavender Blue Chalcedony (ID: 324361)
2.61 ct Chalcedony
9.1 x 8.9 mm
$ 6.55
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ID: 4587411 pcs
thumb image of 7.7ct Pear Cabochon Lavender Blue Chalcedony (ID: 458741)
7.70 ct Chalcedony
16.8 x 12.1 mm
$ 7.70
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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: 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: 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: 4698311 pcs
thumb image of 81.4ct Oval Cabochon Lavender Blue Chalcedony (ID: 469831)
81.39 ct Chalcedony
34.1 x 26.4 mm
$ 122.09
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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: 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: 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: 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: 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: 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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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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