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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (237): Obsidian Obsidian, Snowflake Obsidian Clear All
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ID: 4348541 pcs
34.65ct Obsidian
31.55 x 19.14 x 6.70mm
USD 51.97
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ID: 3914871 pcs
27.99ct Obsidian
33.18 x 20.17 x 6.18mm
USD 83.97
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ID: 4335051 pcs
24.22ct Obsidian
31.00 x 17.59 x 6.78mm
USD 24.22
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ID: 4340351 pcs
32.64ct Obsidian
30.24 x 22.38 x 7.20mm
USD 32.64
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ID: 4335761 pcs
13.97ct Obsidian
24.09 x 13.83 x 6.60mm
USD 13.97
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ID: 4350041 pcs
26.72ct Obsidian
27.28 x 21.93 x 7.28mm
USD 40.08
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ID: 3914921 pcs
47.69ct Obsidian
37.55 x 27.91 x 6.42mm
USD 143.07
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ID: 4336201 pcs
38.13ct Obsidian
35.06 x 24.68 x 5.78mm
USD 38.13
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ID: 4348601 pcs
32.24ct Obsidian
25.72 x 7.52mm
USD 48.36
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ID: 4338361 pcs
19.72ct Obsidian
19.53 x 7.14mm
USD 19.72
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ID: 3914171 pcs
30.16ct Obsidian
32.68 x 23.43 x 5.80mm
USD 90.48
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ID: 4338861 pcs
40.97ct Obsidian
29.48 x 6.60mm
USD 40.97
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ID: 3914131 pcs
26.35ct Obsidian
27.57 x 24.46 x 6.35mm
USD 79.05
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ID: 4348551 pcs
26.87ct Obsidian
28.72 x 17.46 x 6.57mm
USD 40.30
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ID: 4349941 pcs
26.80ct Obsidian
28.68 x 20.18 x 6.38mm
USD 40.20
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ID: 4350881 pcs
25.69ct Obsidian
26.21 x 19.34 x 7.08mm
USD 38.54
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ID: 4336691 pcs
22.74ct Obsidian
22.43 x 20.80 x 6.40mm
USD 22.74
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ID: 4336211 pcs
35.75ct Obsidian
31.53 x 24.31 x 6.90mm
USD 35.75
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ID: 2406341 pcs
66.17ct Obsidian
33.60 x 28.70 x 10.49mm
USD 132.34
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ID: 4335751 pcs
10.03ct Obsidian
20.53 x 11.90 x 6.59mm
USD 10.03
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ID: 3914161 pcs
33.02ct Obsidian
29.49 x 21.24 x 9.10mm
USD 99.06
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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