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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (192): Obsidian Obsidian, Snowflake Obsidian Clear All
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ID: 4479051 pcs
thumb image of 123.4ct Oval Cabochon Gold Sheen Obsidian (ID: 447905)
123.42 ct Obsidian
65.1 x 33.1 mm
$ 123.42
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ID: 4479091 pcs
thumb image of 71.9ct Oval Cabochon Gold Sheen Obsidian (ID: 447909)
71.91 ct Obsidian
46.9 x 30 mm
$ 71.91
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ID: 3627331 pcs
thumb image of 10.2ct Pear Cabochon Gold Sheen Black Obsidian (ID: 362733)
10.22 ct Obsidian
19.4 x 17.9 mm
$ 10.22
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ID: 3628521 pcs
thumb image of 10.9ct Pear Cabochon Gold Sheen Black Obsidian (ID: 362852)
10.85 ct Obsidian
19.8 x 13.7 mm
$ 10.85
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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: 2406341 pcs
thumb image of 66.2ct Oval Carved Cameo Mahogany Obsidian (ID: 240634)
66.17 ct Obsidian
33.6 x 28.7 mm
$ 66.17
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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: 4349151 pcs
thumb image of 13.8ct Pear Cabochon Gold Sheen Obsidian (ID: 434915)
13.80 ct Obsidian
24.1 x 14.3 mm
$ 13.80
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ID: 3626271 pcs
thumb image of 14.1ct Trillion Cabochon Gold Sheen Black Obsidian (ID: 362627)
14.05 ct Obsidian
19.4 x 19.2 mm
$ 14.05
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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: 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: 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: 4479021 pcs
thumb image of 56.9ct Pear Cabochon Gold Sheen Obsidian (ID: 447902)
56.86 ct Obsidian
38.6 x 32.2 mm
$ 56.86
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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: 4349131 pcs
thumb image of 15.2ct Pear Cabochon Gold Sheen Obsidian (ID: 434913)
15.20 ct Obsidian
24.3 x 14.3 mm
$ 15.20
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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: 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: 4339651 pcs
thumb image of 47.7ct Cushion Cabochon Gold Sheen Obsidian (ID: 433965)
47.70 ct Obsidian
30.6 x 24.1 mm
$ 47.70
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ID: 4338341 pcs
thumb image of 16.6ct Pear Cabochon Gold Sheen Obsidian (ID: 433834)
16.62 ct Obsidian
26 x 15 mm
$ 16.62
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ID: 3626301 pcs
thumb image of 12.1ct Pear Cabochon Gold Sheen Black Obsidian (ID: 362630)
12.11 ct Obsidian
25 x 11.8 mm
$ 12.11
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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