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You Selected (5): Dumortierite Quartz Dumortierite Quartz Clear All
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ID: 4031491 pcs
thumb image of 18.8ct Oval Cabochon Blue Dumortierite Quartz (ID: 403149)
18.82ct Dumortierite Quartz
17.97 x 14.92 x 9.41mm
USD 60.04
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ID: 4031481 pcs
thumb image of 16.9ct Oval Cabochon Blue Dumortierite Quartz (ID: 403148)
16.94ct Dumortierite Quartz
18.22 x 13.20 x 9.38mm
USD 54.04
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ID: 4341481 pcs
thumb image of 29.8ct Oval Cabochon Violet Blue Dumortierite Quartz (ID: 434148)
29.77ct Dumortierite Quartz
21.53 x 16.63 x 10.81mm
USD 94.97
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ID: 4033261 pcs
thumb image of 36.6ct Round Cabochon Blue Dumortierite Quartz (ID: 403326)
36.63ct Dumortierite Quartz
19.71 x 12.29mm
USD 116.85
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ID: 4031471 pcs
thumb image of 16.6ct Oval Cabochon Blue Dumortierite Quartz (ID: 403147)
16.60ct Dumortierite Quartz
19.09 x 13.94 x 8.60mm
USD 52.95
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Dumortierite Quartz
Dumortierite quartz is an unusual quartz that is intergrown with the mineral dumortierite. The inclusions of dumortierite give it a deep blue color that is unique in the world of quartz. The color has similarities to lapis lazuli and sodalite, but with the superior hardness of quartz.

Dumortierite is an aluminum borate silicate mineral that is found is Madagascar, Namibia, Sri Lanka, Mozambique and India.
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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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