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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (9140): Brazilian Quartz Gems 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, Chrysoprase, Dendritic Agate, Carnelian, Bloodstones, Quartz Cat's Eye, Agate Geode, Tiger's Eye Matrix, Fossil Coral, Peanut Wood, Strawberry Quartz, Dumortierite Quartz, Pietersite, Star Lemon Quartz, Dendritic Chalcedony, Hawk's Eye, Amethyst Geode, Citrine Geode Clear All
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ID: 4362701 pcs
thumb image of 4ct Pear Facet Violet Amethyst (ID: 436270)
4.02 ct Amethyst
14.6 x 8.3 mm
$ 20.10
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ID: 4083441 pcs
thumb image of 10.2ct Diamond-Cut Brown Smoky Quartz (ID: 408344)
10.19 ct Smoky Quartz
14 mm
$ 18.24
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ID: 4279911 pcs
thumb image of 4.7ct Oval Facet Yellow Golden Citrine (ID: 427991)
4.73 ct Citrine
13.2 x 10.2 mm
$ 28.38
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ID: 4398802 pcs
thumb image of 3.9ct Round Checkerboard Brown Smoky Quartz (ID: 439880)
3.94 ct Smoky Quartz
8.1 mm
$ 5.91
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ID: 4416261 pcs
thumb image of 2.1ct Octagon Facet Bi-Color Ametrine (ID: 441626)
2.08 ct Ametrine
7.9 x 7.4 mm
$ 10.40
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ID: 4354362 pcs
thumb image of 4.6ct Oval Facet Yellow Golden Citrine (ID: 435436)
4.57 ct Citrine
10 x 8 mm
$ 22.85
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ID: 4252404 pcs
thumb image of 2.8ct Oval Facet Violet Amethyst (ID: 425240)
2.76 ct Amethyst
7 x 5.1 mm
$ 13.80
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ID: 4167362 pcs
thumb image of 4.3ct Oval Checkerboard (double sided) Lemon Quartz (ID: 416736)
4.30 ct Quartz
10.1 x 8.1 mm
$ 12.90
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ID: 4596431 pcs
thumb image of 2.9ct Octagon Step Cut Bi-color Ametrine (ID: 459643)
2.92 ct Ametrine
8.4 x 7.6 mm
$ 17.52
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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: 3716255 pcs
thumb image of 5.2ct Heart Facet Yellow Golden Citrine (ID: 371625)
5.24 ct Citrine
7.1 x 6.9 mm
$ 31.44
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ID: 3386061 pcs
thumb image of 230.3ct Oval Checkerboard Lemon Quartz (ID: 338606)
230.30 ct Quartz
41.2 x 34.8 mm
$ 476.72
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ID: 4581641 pcs
thumb image of 37ct Octagon Step Cut Bi-color Ametrine (ID: 458164)
36.97 ct Ametrine
18.9 x 18.5 mm
$ 293.54
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ID: 4491111 pcs
thumb image of 0.6ct Oval Facet Violet Amethyst (ID: 449111)
0.64 ct Amethyst
6.6 x 4.9 mm
$ 3.20
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ID: 4400641 pcs
thumb image of 1.7ct Round Checkerboard Brown Smoky Quartz (ID: 440064)
1.73 ct Smoky Quartz
8.1 mm
$ 2.60
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ID: 4233571 pcs
thumb image of 2.9ct Oval Facet Lemon Quartz (ID: 423357)
2.89 ct Quartz
10.9 x 8.8 mm
$ 4.34
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ID: 3770081 pcs
thumb image of 70.7ct Cushion-Cut Yellow Golden Citrine (ID: 377008)
70.69 ct Citrine
24 x 23.1 mm
$ 494.83
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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: 4470981 pcs
thumb image of 0.8ct Oval Facet Yellow Golden Citrine (ID: 447098)
0.81 ct Citrine
7.9 x 6 mm
$ 4.05
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ID: 4416501 pcs
thumb image of 2.3ct Octagon Facet Bi-Color Ametrine (ID: 441650)
2.30 ct Ametrine
8.7 x 7.9 mm
$ 11.50
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ID: 4572431 pcs
thumb image of 3.2ct Half-Drilled Briolette Violet Amethyst (ID: 457243)
3.22 ct Amethyst
12.3 mm
$ 12.88
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Brazilian Quartz Gems
Brazil is an important source for several gem types, including topaz, emerald and quartz gemstones. Quartz gemstones include crystal quartz, amethyst, amethyst geode, ametrine, citrine, citrine geode, smoky quartz, rose quartz, star rose quartz, lemon quartz, star lemon quartz, quartz cat's eye, citrine geode and citrine. Quartz gemstones are great for statement jewelry pieces, such as large pendants and cocktail rings. Quartz is one of the most popular gemstone groups in the world, with a wealth of great jewelry gemstones, whether opaque, transparent, translucent, faceted or cut en cabochon, in singles, lots and matched pairs. There is a quartz gemstone to suit everyone, with affordable quartz gems available in large sizes. Quartz is thought to be a beneficial healing gemstone. Amethyst is the birthstone for those born in February, while citrine is a birthstone for November. Citrine is also believed to emit positive energy and is popular as a "merchant's stone". To find the Brazilian quartz gemstones you seek, filter the results further by using the left-hand menu. By using the top menu, you can search by gem variety, carat weight, size, price and other factors, to enable you to find the exact quartz gems that you are looking for. All items are in stock and ready to be shipped.
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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