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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (156): Chalcedony Chalcedony Clear All
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ID: 3262691 pcs
thumb image of 4.9ct Pear Cabochon Lavender Blue Chalcedony (ID: 326269)
4.86 ct Chalcedony
12.1 x 9.1 mm
$ 9.72
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ID: 4585631 pcs
thumb image of 18.2ct Oval Cabochon Lavender Blue Chalcedony (ID: 458563)
18.19 ct Chalcedony
17.9 x 15.9 mm
$ 18.19
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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: 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: 3242571 pcs
thumb image of 4.8ct Heart Cabochon Lavender Blue Chalcedony (ID: 324257)
4.81 ct Chalcedony
11.2 x 10.9 mm
$ 9.62
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ID: 4587761 pcs
thumb image of 18.4ct Pear Cabochon Lavender Blue Chalcedony (ID: 458776)
18.35 ct Chalcedony
21.5 x 16.4 mm
$ 18.35
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ID: 4586691 pcs
thumb image of 23.3ct Oval Cabochon Lavender Blue Chalcedony (ID: 458669)
23.32 ct Chalcedony
20.2 x 15.2 mm
$ 23.32
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ID: 4568501 pcs
thumb image of 15.3ct Round Cabochon Lavender Blue Chalcedony (ID: 456850)
15.32 ct Chalcedony
16 mm
$ 15.32
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ID: 3239531 pcs
thumb image of 3.4ct Pear Cabochon Lavender Blue Chalcedony (ID: 323953)
3.35 ct Chalcedony
11 x 8.9 mm
$ 6.70
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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.

Browse Similar or Related Gemstones:
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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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