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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (114): Chalcedony Chalcedony Clear All
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ID: 3435711 pcs
thumb image of 3.8ct Baguette Cabochon Lavender Blue Chalcedony (ID: 343571)
3.75 ct Chalcedony
10.2 x 8.2 mm
$ 7.50
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ID: 3242551 pcs
thumb image of 6.1ct Heart Cabochon Lavender Blue Chalcedony (ID: 324255)
6.05 ct Chalcedony
13 x 12.8 mm
$ 15.19
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ID: 3430711 pcs
thumb image of 3.4ct Pear Cabochon Lavender Blue Chalcedony (ID: 343071)
3.36 ct Chalcedony
9.9 x 8.2 mm
$ 5.64
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ID: 3251771 pcs
thumb image of 4.9ct Pear Cabochon Lavender Blue Chalcedony (ID: 325177)
4.88 ct Chalcedony
12.3 x 10 mm
$ 9.76
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ID: 3432821 pcs
thumb image of 4.9ct Pear Cabochon Lavender Blue Chalcedony (ID: 343282)
4.87 ct Chalcedony
13.1 x 9.3 mm
$ 8.18
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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: 3095911 pcs
thumb image of 22.8ct Carved Cameo Lavender Blue Chalcedony (ID: 309591)
22.84 ct Chalcedony
28.3 x 23.1 mm
$ 41.11
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ID: 3153962 pcs
thumb image of 5.2ct Heart Cabochon Lavender Blue Chalcedony (ID: 315396)
5.16 ct Chalcedony
9 x 8.8 mm
$ 8.77
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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 Gemstone Information

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:
Agate Gemstones
Jasper Gemstones
Onyx 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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