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Buy Cassiterite Gems

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1.31ct Natural Very Light Brown Sillimanite Cat's Eye, Oval, Transparent, Photo A

1.31ct Natural Very Light Brown Sillimanite Cat's Eye, Oval, Transparent

Sillimanite Cat's Eye

1.31ct1 pc
$ 4.72
5.9 x 5.5 mm
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3.73ct Natural Deep Golden Orange Citrine, Oval, VS, Photo A

3.73ct Natural Deep Golden Orange Citrine, Oval, VS

Citrine

3.73ct1 pc
$ 34.46
11 x 9 mm (calibrated)
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10.53ct Natural Multicolor Amethyst Geode Slice, Fancy, Transparent, Photo A

10.53ct Natural Multicolor Amethyst Geode Slice, Fancy, Transparent

Amethyst Geode Slice

10.53ct1 pc
$ 13.52
18.8 x 14 mm
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0.90ct Natural Earth Orange Zircon, Oval, VVS-VS, Photo A

0.90ct Natural Earth Orange Zircon, Oval, VVS-VS

Zircon

0.90ct1 pc
$ 27.00
6.1 x 5 mm
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20.88ct Natural Black Onyx, Oval, Opaque, Photo A

20.88ct Natural Black Onyx, Oval, Opaque

Onyx

20.88ct1 pc
$ 112.75
22.1 x 15.8 mm
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2.16ctw Natural Dark Pink Strawberry Quartz, Round, Translucent, Photo A

2.16ctw Natural Dark Pink Strawberry Quartz, Round, Translucent

Strawberry Quartz

2.16ct total2 pcs
$ 26.09
7 mm (calibrated)
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18.62ctw Natural Multicolor Pietersite, Oval, Opaque, Photo A

18.62ctw Natural Multicolor Pietersite, Oval, Opaque

Pietersite

18.62ct total2 pcs
$ 98.32
18 x 13 mm (calibrated)
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1.37ct Natural Multicolor Opal, Pear Shape, Translucent, Photo A

1.37ct Natural Multicolor Opal, Pear Shape, Translucent

Opal

1.37ct1 pc
$ 63.30
10 x 8 mm (calibrated)
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0.16ct Natural Yellowish Green Emerald, Round, VS-SI, Photo A

0.16ct Natural Yellowish Green Emerald, Round, VS-SI

Emerald

0.16ct1 pc
$ 34.56
3.3 mm
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3.07ct Natural Multicolor Opal, Oval, Transparent, Photo A

3.07ct Natural Multicolor Opal, Oval, Transparent

Opal

3.07ct1 pc
$ 93.02
13 x 10.2 mm
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2.40ctw Natural Light Red Rubies, Oval, VS, Photo A

2.40ctw Natural Light Red Rubies, Oval, VS

Ruby

2.40ct total2 pcs
$ 288.00
7 x 5 mm (calibrated)
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0.57ct Natural Teal Sapphire, Cushion, VS, Photo A

0.57ct Natural Teal Sapphire, Cushion, VS

Sapphire

0.57ct1 pc
$ 82.08
4.3 x 4.3 mm
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0.34ct Natural Tuscany Yellow Sapphire, Octagon / Emerald Cut, VVS-VS, Photo A

0.34ct Natural Tuscany Yellow Sapphire, Octagon / Emerald Cut, VVS-VS

Sapphire

0.34ct1 pc
$ 34.00
5 x 3 mm (calibrated)
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1.46ct Natural Very Light Pinkish Purple Spinel, Cushion, VS, Photo A

1.46ct Natural Very Light Pinkish Purple Spinel, Cushion, VS

Spinel

1.46ct1 pc
$ 129.52
6.8 x 6.4 mm
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22.48ctw Natural Multicolor Labradorite, Pear Shape, Translucent, Photo A

22.48ctw Natural Multicolor Labradorite, Pear Shape, Translucent

Labradorite

22.48ct total2 pcs
$ 59.89
18 x 13 mm (calibrated)
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2.27ctw Natural Swiss Blue Topaz, Pear Shape, VVS-VS, Photo A

2.27ctw Natural Swiss Blue Topaz, Pear Shape, VVS-VS

Topaz

2.27ct total4 pcs
$ 20.98
6 x 4 mm (calibrated)
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29.07ctw Natural Multicolor Fossil Coral, Cushion, Opaque, Photo A

29.07ctw Natural Multicolor Fossil Coral, Cushion, Opaque

Fossil Coral

29.07ct total2 pcs
$ 75.98
19.5 x 13.5 mm
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2.05ctw Natural Light Orange Andalusite, Round, VS, Photo A

2.05ctw Natural Light Orange Andalusite, Round, VS

Andalusite

2.05ct total9 pcs
$ 121.78
4 mm (calibrated)
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2.42ctw Natural Scarlet Red Pyrope Garnet, Marquise, VVS-VS, Photo A

2.42ctw Natural Scarlet Red Pyrope Garnet, Marquise, VVS-VS

Pyrope Garnet

2.42ct total2 pcs
$ 25.56
10.2 x 5.2 mm
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0.98ct Natural Blue Green Emerald, Oval, Translucent, Photo A

0.98ct Natural Blue Green Emerald, Oval, Translucent

Emerald

0.98ct1 pc
$ 94.08
7.1 x 5.3 mm
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4.82ctw Natural Orange-Gold Citrine, Heart, VS, Photo A

4.82ctw Natural Orange-Gold Citrine, Heart, VS

Citrine

4.82ct total5 pcs
$ 38.17
7 x 7 mm (calibrated)
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8.00ct Natural Light Golden Citrine, Briolette, VVS-VS, Photo A

8.00ct Natural Light Golden Citrine, Briolette, VVS-VS

Citrine

8.00ct1 pc
$ 54.38
15.3 x 9.5 mm
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23.72ct Natural Multicolor Jasper, Oval, Opaque, Photo A

23.72ct Natural Multicolor Jasper, Oval, Opaque

Jasper

23.72ct1 pc
$ 37.88
34.6 x 17 mm
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0.81ct Natural Medium Dark-Orange Zircon, Oval, VVS, Photo A

0.81ct Natural Medium Dark-Orange Zircon, Oval, VVS

Zircon

0.81ct1 pc
$ 14.58
6 x 4 mm (calibrated)
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8.33ct Natural Multicolor Boulder Opal, Fancy, Opaque, Photo A

8.33ct Natural Multicolor Boulder Opal, Fancy, Opaque

Boulder Opal

8.33ct1 pc
$ 41.65
17.9 x 11.7 mm
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3.52ct Natural Medium Gold Citrine, Oval, VVS, Photo A

3.52ct Natural Medium Gold Citrine, Oval, VVS

Citrine

3.52ct1 pc
$ 29.57
14.1 x 8.1 mm
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1.91ct Natural Dark Golden Citrine, Square, VVS-VS, Photo A

1.91ct Natural Dark Golden Citrine, Square, VVS-VS

Citrine

1.91ct1 pc
$ 13.46
7.6 x 7.5 mm
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0.90ct Natural Bright Green Peridot, Oval, VS, Photo A

0.90ct Natural Bright Green Peridot, Oval, VS

Peridot

0.90ct1 pc
$ 15.12
7 x 5 mm (calibrated)
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13.10ct Natural Multicolor Coral, Oval, Translucent, Photo A

13.10ct Natural Multicolor Coral, Oval, Translucent

Coral

13.10ct1 pc
$ 34.58
22 x 16.4 mm
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9.71ct Natural Multicolor Labradorite, Marquise, Translucent, Photo A

9.71ct Natural Multicolor Labradorite, Marquise, Translucent

Labradorite

9.71ct1 pc
$ 25.87
20 x 10 mm (calibrated)
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0.99ct Natural Multicolor Opal, Oval, Opaque, Photo A

0.99ct Natural Multicolor Opal, Oval, Opaque

Opal

0.99ct1 pc
$ 35.64
8 x 6 mm (calibrated)
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3.83ctw Natural Medium Pink Strawberry Quartz, Round, Transparent, Photo A

3.83ctw Natural Medium Pink Strawberry Quartz, Round, Transparent

Strawberry Quartz

3.83ct total2 pcs
$ 70.78
8 mm (calibrated)
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Why Buy Cassiterite from GemSelect?

GemSelect Certified Store Reviews

GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!

Overall Rating -> 10 star ratings

Easy and functional

Posted By Dessa in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Easy to use website

Posted By Mel in February, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

I did not realize these stones were of jewelry quality. They are really beautiful, just not what I was expecting which was more of a natural stone.

Posted By Jewelry Quality Stones in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great experience. I can't wait to explore on the website further.

Posted By Kymmie in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very large selection from affordable to high end I will be coming back to shop again!

Posted By GreenGator in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

My experience has always been fantastic. Today I saved 6 gems to email a customer looking for a particular color blend to fit into an east west setting, so her options were limited, but we found one she wanted, deleted all the others in the cart and order the gem she selected. It was helpful to be able to put them in the cart so I could save them until she selected the one she wanted without having to research all of them again.

Posted By RJ in January, 2026
Source: Bizrate
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