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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (5462): Quartz Cabochons Onyx, Amethyst, Ametrine, Smoky Quartz, Citrine, Quartz, Rose Quartz, Chalcedony, Jasper, Mystic Quartz, Agate, Aventurine, Rutile Quartz, Tiger's Eye, Star Rose Quartz, Fire Agate, Dendritic Agate, Carnelian, Bloodstones, Quartz Cat's Eye, Agate Geode, Tiger's Eye Matrix, Peanut Wood, Dumortierite Quartz, Pietersite, Star Lemon Quartz, Dendritic Chalcedony, Hawk's Eye, Amethyst Geode, Citrine Geode Clear All
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ID: 2169221 pcs
thumb image of 10ct Fancy Cabochon Multicolor Fire Agate (ID: 216922)
10.02 ct Fire Agate
26.4 x 9.7 mm
$ 120.24
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ID: 4578911 pcs
thumb image of 187.1ct Oval Cabochon Green Agate (ID: 457891)
187.05 ct Agate
45.8 x 42 mm
$ 187.05
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ID: 3707471 pcs
thumb image of 8.6ct Oval Cabochon Multicolor Jasper (ID: 370747)
8.63 ct Jasper
16.9 x 14.4 mm
$ 8.63
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ID: 3338251 pcs
thumb image of 68.1ct Oval Cabochon Grayish Blue Pietersite (ID: 333825)
68.06 ct Pietersite
47 x 29.4 mm
$ 272.24
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ID: 4375781 pcs
thumb image of 1.4ct Oval Cabochon Green Agate (ID: 437578)
1.36 ct Agate
7.8 x 6 mm
$ 2.04
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ID: 4033261 pcs
thumb image of 36.6ct Round Cabochon Blue Dumortierite Quartz (ID: 403326)
36.63 ct Dumortierite Quartz
19.7 mm
$ 116.85
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ID: 3638321 pcs
thumb image of 23.7ct Oval Cabochon Multicolor Jasper (ID: 363832)
23.72 ct Jasper
34.6 x 17 mm
$ 47.44
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ID: 3430651 pcs
thumb image of 3.4ct Heart Cabochon Lavender Blue Chalcedony (ID: 343065)
3.35 ct Chalcedony
10.1 x 10 mm
$ 5.63
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ID: 3241001 pcs
thumb image of 10.8ct Oval Cabochon Pink Rose Quartz (ID: 324100)
10.77 ct Rose Quartz
16.2 x 12.2 mm
$ 12.92
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ID: 4439361 pcs
thumb image of 3.8ct Oval Cabochon Green Agate (ID: 443936)
3.76 ct Agate
10.1 x 8.5 mm
$ 3.72
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ID: 4363071 pcs
thumb image of 1.2ct Marquise Cabochon Colorless Golden Rutile Quartz (ID: 436307)
1.21 ct Rutile Quartz
9.8 x 5 mm
$ 2.98
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ID: 4106612 pcs
thumb image of 8.9ct Oval Cabochon Violet Amethyst (ID: 410661)
8.87 ct Amethyst
12.2 x 10.2 mm
$ 44.35
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ID: 4353811 pcs
thumb image of 13.5ct Pear Cabochon Colorless Golden Rutile Quartz (ID: 435381)
13.45 ct Rutile Quartz
18.9 x 14 mm
$ 33.36
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ID: 3707441 pcs
thumb image of 9.4ct Oval Cabochon Multicolor Jasper (ID: 370744)
9.41 ct Jasper
16.6 x 12.9 mm
$ 9.41
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ID: 4580571 pcs
thumb image of 98.6ct Oval Cabochon Green Agate (ID: 458057)
98.60 ct Agate
36.7 x 28.4 mm
$ 98.60
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ID: 4483024 pcs
thumb image of 18ct Oval Cabochon Multicolor Pietersite (ID: 448302)
17.98 ct Pietersite
14 x 10.2 mm
$ 53.94
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ID: 3338211 pcs
thumb image of 38.9ct Cushion Cabochon Grayish Blue Pietersite (ID: 333821)
38.93 ct Pietersite
36.2 x 23.7 mm
$ 155.72
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ID: 4565161 pcs
thumb image of 4.2ct Oval Cabochon Multicolor Pietersite (ID: 456516)
4.21 ct Pietersite
12.9 x 9.9 mm
$ 9.81
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ID: 4367181 pcs
thumb image of 1.2ct Pear Cabochon Colorless Golden Rutile Quartz (ID: 436718)
1.21 ct Rutile Quartz
8.8 x 5.9 mm
$ 2.98
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ID: 3922922 pcs
thumb image of 7.9ct Oval Cabochon Violet Amethyst (ID: 392292)
7.90 ct Amethyst
11.2 x 9 mm
$ 39.50
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ID: 4389731 pcs
thumb image of 7.1ct Marquise Cabochon Colorless Rutile Quartz (ID: 438973)
7.05 ct Rutile Quartz
23.1 x 8.7 mm
$ 15.30
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Quartz Cabochons
Quartz is one of the most common minerals on earth, and is well known in the gems world in its many forms - amethyst, citrine, ametrine, smoky quartz, rose quartz and lemon quartz. Quartz is attractive and durable, as well as inexpensive. It can be cut and carved in many forms and sizes.

There are 2 main varieties of quartz, including both crystalline and cryptocrystalline quartz. Crystalline quartz occurs in distinct transparent crystals, such as in amethyst and citrine. In cryptocrystalline quartz, the crystals are microscopic and the quartz is opaque or translucent. Examples include chalcedony and agate.

Shop from a wide variety of quartz gemstones of almost all colors of the rainbow. Choose cabochon quartz gems, including calibrated sized single gems, matched pairs and gem lots by using the tick boxes at the top of the page. All photos are of actual gemstones that are available and ready to ship.
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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