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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (201): Obsidian Obsidian, Snowflake Obsidian Clear All
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ID: 3914881 pcs
thumb image of 25.3ct Pear Cabochon Gold Sheen Black Obsidian (ID: 391488)
25.31 ct Obsidian
31.7 x 25 mm
$ 75.93
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ID: 3913691 pcs
thumb image of 10.4ct Trillion Cabochon Gold Sheen Black Obsidian (ID: 391369)
10.36 ct Obsidian
17.3 x 16.5 mm
$ 10.36
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ID: 3626241 pcs
thumb image of 11.2ct Pear Cabochon Gold Sheen Black Obsidian (ID: 362624)
11.16 ct Obsidian
27.9 x 11.3 mm
$ 11.16
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ID: 4478991 pcs
thumb image of 71.3ct Cushion Cabochon Gold Sheen Obsidian (ID: 447899)
71.31 ct Obsidian
48.6 x 22.2 mm
$ 71.31
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ID: 3912631 pcs
thumb image of 69.5ct Pear Cabochon Gold Sheen Black Obsidian (ID: 391263)
69.50 ct Obsidian
41.1 x 33.6 mm
$ 69.50
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ID: 4338381 pcs
thumb image of 14.1ct Oval Cabochon Gold Sheen Obsidian (ID: 433838)
14.10 ct Obsidian
23.1 x 16.6 mm
$ 14.10
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ID: 4479011 pcs
thumb image of 62.2ct Pear Cabochon Gold Sheen Obsidian (ID: 447901)
62.15 ct Obsidian
40.9 x 33.8 mm
$ 62.15
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ID: 4338401 pcs
thumb image of 14.2ct Pear Cabochon Gold Sheen Obsidian (ID: 433840)
14.21 ct Obsidian
26 x 15.1 mm
$ 14.21
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ID: 3912661 pcs
thumb image of 58.1ct Oval Cabochon Gold Sheen Black Obsidian (ID: 391266)
58.06 ct Obsidian
37.2 x 27.6 mm
$ 58.06
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ID: 4349141 pcs
thumb image of 14.3ct Pear Cabochon Gold Sheen Obsidian (ID: 434914)
14.33 ct Obsidian
19.6 x 17.9 mm
$ 14.33
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ID: 4336221 pcs
thumb image of 57.3ct Oval Cabochon Gold Sheen Obsidian (ID: 433622)
57.34 ct Obsidian
39.8 x 22.1 mm
$ 57.34
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ID: 4477551 pcs
thumb image of 15.1ct Oval Cabochon Gold Sheen Obsidian (ID: 447755)
15.09 ct Obsidian
36 x 17.2 mm
$ 15.09
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ID: 4338421 pcs
thumb image of 15.2ct Oval Cabochon Gold Sheen Obsidian (ID: 433842)
15.17 ct Obsidian
24.4 x 14 mm
$ 15.17
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ID: 4478981 pcs
thumb image of 57.1ct Cushion Cabochon Gold Sheen Obsidian (ID: 447898)
57.10 ct Obsidian
41.1 x 21.1 mm
$ 57.10
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ID: 4337251 pcs
thumb image of 15.7ct Pear Cabochon Gold Sheen Obsidian (ID: 433725)
15.72 ct Obsidian
24 x 19.3 mm
$ 15.72
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ID: 3912641 pcs
thumb image of 65.4ct Oval Cabochon Gold Sheen Black Obsidian (ID: 391264)
65.44 ct Obsidian
41.4 x 28.8 mm
$ 64.55
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ID: 3914941 pcs
thumb image of 53.8ct Pear Cabochon Gold Sheen Black Obsidian (ID: 391494)
53.77 ct Obsidian
39.9 x 23.4 mm
$ 53.77
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ID: 4336231 pcs
thumb image of 52.6ct Oval Cabochon Gold Sheen Obsidian (ID: 433623)
52.61 ct Obsidian
35.8 x 22.4 mm
$ 52.61
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ID: 4350861 pcs
thumb image of 17.1ct Marquise Cabochon Gold Sheen Obsidian (ID: 435086)
17.08 ct Obsidian
27.9 x 14 mm
$ 17.08
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ID: 4336251 pcs
thumb image of 51.7ct Oval Cabochon Gold Sheen Obsidian (ID: 433625)
51.67 ct Obsidian
39 x 22.8 mm
$ 51.67
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ID: 4339311 pcs
thumb image of 17.1ct Cushion Cabochon Gold Sheen Obsidian (ID: 433931)
17.14 ct Obsidian
22 x 14.7 mm
$ 17.14
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Obsidian
Obsidian is a naturally occurring volcanic glass. It is formed when felsic lava extruded from a volcano cools without crystal growth. Obsidian has been known since prehistoric times, and has some fascinating properties as well as some important practical uses. In addition to its use as a gemstone, obsidian has been used in cardiac surgery, as well-crafted obsidian blades have a cutting edge many times sharper than high-quality steel surgical scalpels.

In some stones, the inclusion of small, white, radially clustered crystals of cristobalite in the black glass produce a blotchy or snowflake pattern, and this is known in the gem trade as snowflake obsidian.
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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

Size Comparison Chart