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Buy Calcite Gems

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Calcite Weight Calcite Size Calcite Clarity Calcite Price Calcite Origin
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0.41 carat Pear Shape Emerald, loose Certified Emerald from Colombia, Natural Gem, 5.1 x 4.5 mm, Photo A

0.41 carat Pear Shape Emerald, loose Certified Emerald from Colombia, Natural Gem, 5.1 x 4.5 mm

Emerald

0.41ct1 pc
$ 45.10
5.1 x 4.5 mm
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1.98 carat Oval Ruby, loose Certified Ruby from Madagascar, Natural Gem, 8 x 6.1 mm, Photo A

1.98 carat Oval Ruby, loose Certified Ruby from Madagascar, Natural Gem, 8 x 6.1 mm

Ruby

1.98ct1 pc
$ 108.90
8 x 6.1 mm
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10.23 carat Bi-color Ametrine, Pear Shape loose Ametrine from Brazil, Natural Untreated Gem, 15 x 14.9 mm, Photo A

10.23 carat Bi-color Ametrine, Pear Shape loose Ametrine from Brazil, Natural Untreated Gem, 15 x 14.9 mm

Ametrine

10.23ct1 pc
$ 78.77
15 x 14.9 mm
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0.63 carat London Blue Topaz, Square loose Topaz from Brazil, Natural Gem, 4.5 x 4.4 mm, Photo A

0.63 carat London Blue Topaz, Square loose Topaz from Brazil, Natural Gem, 4.5 x 4.4 mm

Topaz

0.63ct1 pc
$ 4.41
4.5 x 4.4 mm
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1.43 carat Oval Opal, loose Certified Opal from Ethiopia, Natural Untreated Gem, 9.9 x 7.9 mm, Photo A

1.43 carat Oval Opal, loose Certified Opal from Ethiopia, Natural Untreated Gem, 9.9 x 7.9 mm

Opal

1.43ct1 pc
$ 34.51
9.9 x 7.9 mm
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6.09 ct Oval Actinolite Cat's Eye, 14.2 x 12.5 mm From the United States, Photo A

6.09 ct Oval Actinolite Cat's Eye, 14.2 x 12.5 mm From the United States

Actinolite Cat's Eye

6.09ct1 pc
$ 42.63
14.2 x 12.5 mm
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1.35 ct Violet Spinel, 6.3 x 6.2 mm Cushion Cut From Tanzania, Photo A

1.35 ct Violet Spinel, 6.3 x 6.2 mm Cushion Cut From Tanzania

Spinel

1.35ct1 pc
$ 102.17
6.3 x 6.2 mm
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5.17 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gems, 10 x 8 mm, Photo A

5.17 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gems, 10 x 8 mm

Citrine

5.17ct total2 pcs
$ 28.44
10 x 8 mm
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3.68 ct Yellow Quartz, 11.1 x 10.5 mm Carved From Brazil, Photo A

3.68 ct Yellow Quartz, 11.1 x 10.5 mm Carved From Brazil

Quartz

3.68ct total2 pcs
$ 14.17
11.1 x 10.5 mm
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2.62 carat Yellow Citrine, Square loose Citrine from Brazil, Natural Untreated Gem, 8.1 x 8 mm, Photo A

2.62 carat Yellow Citrine, Square loose Citrine from Brazil, Natural Untreated Gem, 8.1 x 8 mm

Citrine

2.62ct1 pc
$ 15.39
8.1 x 8 mm
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17.75 carat Pear Shape Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 21.2 x 15.9 mm, Photo A

17.75 carat Pear Shape Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 21.2 x 15.9 mm

Amethyst

17.75ct1 pc
$ 124.25
21.2 x 15.9 mm
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2.64 carat Emerald Cut Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 5.9 x 4 mm, Photo A

2.64 carat Emerald Cut Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 5.9 x 4 mm

Pyrope Garnet

2.64ct total4 pcs
$ 18.48
5.9 x 4 mm
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27.8 ct Oval Agate, 18.9 x 17.8 mm From Indonesia, Photo A

27.8 ct Oval Agate, 18.9 x 17.8 mm From Indonesia

Agate

27.80ct1 pc
$ 22.24
18.9 x 17.8 mm
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0.71 ct Loose Orange Sapphire, 5.1 x 4.1 mm Octagon Cut From Tanzania, Photo A

0.71 ct Loose Orange Sapphire, 5.1 x 4.1 mm Octagon Cut From Tanzania

Sapphire

0.71ct1 pc
$ 38.73
5.1 x 4.1 mm
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5.9 carat Pear Shape Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 14.7 x 10.7 mm, Photo A

5.9 carat Pear Shape Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 14.7 x 10.7 mm

Amethyst

5.90ct1 pc
$ 29.50
14.7 x 10.7 mm
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5.74 ct Loose Yellow Sapphire, 7.1 x 5.1 mm Oval Cabochon From Thailand, Photo A

5.74 ct Loose Yellow Sapphire, 7.1 x 5.1 mm Oval Cabochon From Thailand

Sapphire

5.74ct total4 pcs
$ 75.77
7.1 x 5.1 mm
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2.5 carat Black Star Sapphire, Pear loose Star Sapphire from Thailand, Natural Gem, 8.9 x 6.6 mm, Photo A

2.5 carat Black Star Sapphire, Pear loose Star Sapphire from Thailand, Natural Gem, 8.9 x 6.6 mm

Star Sapphire

2.50ct1 pc
$ 45.00
8.9 x 6.6 mm
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46.99 carat Pear Bloodstone, loose Certified Bloodstone from Madagascar, Natural Untreated Gem, 39 x 25.7 mm, Photo A

46.99 carat Pear Bloodstone, loose Certified Bloodstone from Madagascar, Natural Untreated Gem, 39 x 25.7 mm

Bloodstone

46.99ct1 pc
$ 21.62
39 x 25.7 mm
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19.73 carat Bi-color Ametrine, Oval loose Ametrine from Brazil, Natural Untreated Gem, 19.3 x 14.8 mm, Photo A

19.73 carat Bi-color Ametrine, Oval loose Ametrine from Brazil, Natural Untreated Gem, 19.3 x 14.8 mm

Ametrine

19.73ct1 pc
$ 118.38
19.3 x 14.8 mm
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0.9 ct Purple Spinel, 6.6 x 5.1 mm Oval Cut From Tanzania, Photo A

0.9 ct Purple Spinel, 6.6 x 5.1 mm Oval Cut From Tanzania

Spinel

0.90ct1 pc
$ 84.33
6.6 x 5.1 mm
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5.33 ct Yellow Apatite, 11.3 x 10.3 mm Oval Cut From Madagascar, Photo A

5.33 ct Yellow Apatite, 11.3 x 10.3 mm Oval Cut From Madagascar

Apatite

5.33ct1 pc
$ 175.89
11.3 x 10.3 mm
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1.13 ct Oval Sillimanite Cat's Eye, 7.8 x 5.3 mm From Madagascar, Photo A

1.13 ct Oval Sillimanite Cat's Eye, 7.8 x 5.3 mm From Madagascar

Sillimanite Cat's Eye

1.13ct1 pc
$ 3.54
7.8 x 5.3 mm
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1.21 ct Blue Green Grandidierite, 7.1 x 6.6 mm Oval Cut From Madagascar, Photo A

1.21 ct Blue Green Grandidierite, 7.1 x 6.6 mm Oval Cut From Madagascar

Grandidierite

1.21ct1 pc
$ 455.40
7.1 x 6.6 mm
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1.97 carat Yellow Citrine, Trillion loose Citrine from Brazil, Natural Untreated Gem, 9 x 8.8 mm, Photo A

1.97 carat Yellow Citrine, Trillion loose Citrine from Brazil, Natural Untreated Gem, 9 x 8.8 mm

Citrine

1.97ct1 pc
$ 8.67
9 x 8.8 mm
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0.93 ct Loose Round Cut Lapis Lazuli, 6 mm From Afghanistan, Photo A

0.93 ct Loose Round Cut Lapis Lazuli, 6 mm From Afghanistan

Lapis Lazuli

0.93ct1 pc
$ 1.50
6 mm
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2.45 ct Black Star Sapphire, 8.5 x 6.2 mm Oval Cut From Thailand, Photo A

2.45 ct Black Star Sapphire, 8.5 x 6.2 mm Oval Cut From Thailand

Star Sapphire

2.45ct1 pc
$ 44.10
8.5 x 6.2 mm
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2.26 carat White Topaz, Cushion loose Topaz from Brazil, Natural Untreated Gems, 4.6 x 4.5 mm, Photo A

2.26 carat White Topaz, Cushion loose Topaz from Brazil, Natural Untreated Gems, 4.6 x 4.5 mm

Topaz

2.26ct total6 pcs
$ 12.43
4.6 x 4.5 mm
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1.4 ct Blue Apatite, 5 x 4 mm Oval Cut From Madagascar, Photo A

1.4 ct Blue Apatite, 5 x 4 mm Oval Cut From Madagascar

Apatite

1.40ct total4 pcs
$ 30.88
5 x 4 mm
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2.5 carat Yellow Citrine, Baguette Cut loose Citrine from Brazil, Natural Untreated Gem, 11.8 x 5.9 mm, Photo A

2.5 carat Yellow Citrine, Baguette Cut loose Citrine from Brazil, Natural Untreated Gem, 11.8 x 5.9 mm

Citrine

2.50ct1 pc
$ 19.25
11.8 x 5.9 mm
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2.4 carat Blue Aquamarine, Oval loose Aquamarine from India, Natural Untreated Gems, 6.4 x 4.8 mm, Photo A

2.4 carat Blue Aquamarine, Oval loose Aquamarine from India, Natural Untreated Gems, 6.4 x 4.8 mm

Aquamarine

2.40ct total4 pcs
$ 72.00
6.4 x 4.8 mm
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3.65 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 11.1 x 9.1 mm, Photo A

3.65 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 11.1 x 9.1 mm

Citrine

3.65ct1 pc
$ 29.19
11.1 x 9.1 mm
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1.71 ct Round Cat's Eye Moonstone, 6.9 mm From India, Photo A

1.71 ct Round Cat's Eye Moonstone, 6.9 mm From India

Cat's Eye Moonstone

1.71ct1 pc
$ 7.52
6.9 mm
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Photos are of Actual Products for Sale

Buy Calcite Gemstones

Calcite is a carbonate mineral and is the most stable form of calcium carbonate. With a hardness of only 3 on the Mohs scale, it can only be used in jewelry that won't be subject to knocks or scratches, such as earrings and pendants. Its hardness is similar to that of gems like amber, coral and chrysocolla. Though calcite is not an especially durable material, it does take an excellent polish. Many historical artifacts identified as alabaster are in fact made from calcite.

In what colors are Calcite Gemstones available?

Pure calcium carbonate is colorless, but calcite is often colored by various impurities, including iron, magnesium, manganese, zinc or cobalt. Thus you will find calcite in a range of colors including white, gray, yellow, green, red and blue.

Want to learn more about Calcite?

Read our full Calcite information page here.

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