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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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1.77 carat Swiss Blue Topaz, Oval loose Topaz from Brazil, Natural Gem, 8.1 x 6.1 mm, Photo A

1.77 carat Swiss Blue Topaz, Oval loose Topaz from Brazil, Natural Gem, 8.1 x 6.1 mm

Topaz

1.77ct1 pc
$ 12.39
8.1 x 6.1 mm
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0.56 carat Orange Spessartite Garnet, Oval loose Spessartite Garnet from Mozambique, Natural Untreated Gem, 5.2 x 4.3 mm, Photo A

0.56 carat Orange Spessartite Garnet, Oval loose Spessartite Garnet from Mozambique, Natural Untreated Gem, 5.2 x 4.3 mm

Spessartite Garnet

0.56ct1 pc
$ 19.60
5.2 x 4.3 mm
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0.84 carat Pink Morganite, Pear Shape loose Morganite from Afghanistan, Natural Untreated Gem, 7.3 x 5.7 mm, Photo A

0.84 carat Pink Morganite, Pear Shape loose Morganite from Afghanistan, Natural Untreated Gem, 7.3 x 5.7 mm

Morganite

0.84ct1 pc
$ 36.96
7.3 x 5.7 mm
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11.35 ct Round Pietersite, 15.2 mm From Namibia, Photo A

11.35 ct Round Pietersite, 15.2 mm From Namibia

Pietersite

11.35ct total2 pcs
$ 50.31
15.2 mm
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10.93 ct Round Cut Color-Change Fluorite, 14 mm From Brazil, Photo A
Click for Product Video (413678)

10.93 ct Round Cut Color-Change Fluorite, 14 mm From Brazil

Color-Change Fluorite

10.93ct1 pc
$ 300.58
14 mm
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2.69 carat Square Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 4.1 x 4 mm, Photo A

2.69 carat Square Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 4.1 x 4 mm

Pyrope Garnet

2.69ct total6 pcs
$ 20.71
4.1 x 4 mm
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30.39 ct Fancy Charoite, 23.8 x 21.2 mm From Russia, Photo A

30.39 ct Fancy Charoite, 23.8 x 21.2 mm From Russia

Charoite

30.39ct1 pc
$ 57.17
23.8 x 21.2 mm
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1.85 carat Oval Rhodolite Garnet, loose Certified Rhodolite Garnet from Mozambique, Natural Untreated Gems, 5.4 x 3.5 mm, Photo A

1.85 carat Oval Rhodolite Garnet, loose Certified Rhodolite Garnet from Mozambique, Natural Untreated Gems, 5.4 x 3.5 mm

Rhodolite Garnet

1.85ct total5 pcs
$ 30.22
5.4 x 3.5 mm
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5.43 ct Round Concave Cut Smoky Quartz, 12.1 mm From Brazil, Photo A

5.43 ct Round Concave Cut Smoky Quartz, 12.1 mm From Brazil

Smoky Quartz

5.43ct1 pc
$ 14.94
12.1 mm
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1.16 carat Pink Morganite, Pear Shape loose Morganite from Afghanistan, Natural Untreated Gem, 9.7 x 6.2 mm, Photo A

1.16 carat Pink Morganite, Pear Shape loose Morganite from Afghanistan, Natural Untreated Gem, 9.7 x 6.2 mm

Morganite

1.16ct1 pc
$ 89.32
9.7 x 6.2 mm
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3.92 carat Sky Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gems, 7 x 5 mm, Photo A

3.92 carat Sky Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gems, 7 x 5 mm

Topaz

3.92ct total5 pcs
$ 21.60
7 x 5 mm
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1.9 carat Green Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 16 x 3.8 mm, Photo A

1.9 carat Green Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 16 x 3.8 mm

Tourmaline

1.90ct1 pc
$ 45.98
16 x 3.8 mm
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22.02 carat Ammolite, loose Certified Ammolite from Canada, Natural Gem, 36.3 x 13.8 mm, Photo A
Click for Product Video (520788)

22.02 carat Ammolite, loose Certified Ammolite from Canada, Natural Gem, 36.3 x 13.8 mm

Ammolite

22.02ct1 pc
$ 484.44
36.3 x 13.8 mm
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1.99 carat White Topaz, Round Buff Top loose Topaz from Brazil, Natural Untreated Gems, 6.1 mm, Photo A

1.99 carat White Topaz, Round Buff Top loose Topaz from Brazil, Natural Untreated Gems, 6.1 mm

Topaz

1.99ct total2 pcs
$ 10.95
6.1 mm
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1.48 carat Blue Tanzanite, Pear Shape loose Tanzanite from Tanzania, Natural Gems, 5.1 x 3.2 mm, Photo A

1.48 carat Blue Tanzanite, Pear Shape loose Tanzanite from Tanzania, Natural Gems, 5.1 x 3.2 mm

Tanzanite

1.48ct total8 pcs
$ 56.98
5.1 x 3.2 mm
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0.66 carat Oval Grossularite Garnet, loose Certified Grossularite Garnet from Tanzania, Natural Untreated Gem, 5.6 x 4.4 mm, Photo A

0.66 carat Oval Grossularite Garnet, loose Certified Grossularite Garnet from Tanzania, Natural Untreated Gem, 5.6 x 4.4 mm

Grossularite Garnet

0.66ct1 pc
$ 14.91
5.6 x 4.4 mm
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5.47 carat Pear Shape Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 7.2 x 5.2 mm, Photo A

5.47 carat Pear Shape Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 7.2 x 5.2 mm

Pyrope Garnet

5.47ct total6 pcs
$ 42.12
7.2 x 5.2 mm
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1.68 carat Orange Spessartite Garnet, Oval loose Spessartite Garnet from Mozambique, Natural Untreated Gems, 6.2 x 4.2 mm, Photo A

1.68 carat Orange Spessartite Garnet, Oval loose Spessartite Garnet from Mozambique, Natural Untreated Gems, 6.2 x 4.2 mm

Spessartite Garnet

1.68ct total3 pcs
$ 88.13
6.2 x 4.2 mm
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1.47 carat Orange Hessonite Garnet, Baguette Cut loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 7.1 x 5 mm, Photo A

1.47 carat Orange Hessonite Garnet, Baguette Cut loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 7.1 x 5 mm

Hessonite Garnet

1.47ct1 pc
$ 32.34
7.1 x 5 mm
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10.04 ct Green Amazonite, 8.2 mm Round Cut From Madagascar, Photo A

10.04 ct Green Amazonite, 8.2 mm Round Cut From Madagascar

Amazonite

10.04ct total4 pcs
$ 24.63
8.2 mm
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0.71 ct Loose Yellow Sapphire, 4.9 x 3 mm Baguette Cut From Tanzania, Photo A

0.71 ct Loose Yellow Sapphire, 4.9 x 3 mm Baguette Cut From Tanzania

Sapphire

0.71ct total2 pcs
$ 27.34
4.9 x 3 mm
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6.42 ct Green Agate, 10.3 x 9.2 mm Oval Cut From India, Photo A

6.42 ct Green Agate, 10.3 x 9.2 mm Oval Cut From India

Agate

6.42ct total2 pcs
$ 7.00
10.3 x 9.2 mm
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7.08 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 14.2 x 10.9 mm, Photo A

7.08 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 14.2 x 10.9 mm

Citrine

7.08ct1 pc
$ 46.73
14.2 x 10.9 mm
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2.71 carat Blue Tanzanite, Oval loose Tanzanite from Tanzania, Natural Gems, 7.9 x 6.1 mm, Photo A

2.71 carat Blue Tanzanite, Oval loose Tanzanite from Tanzania, Natural Gems, 7.9 x 6.1 mm

Tanzanite

2.71ct total2 pcs
$ 23.85
7.9 x 6.1 mm
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11.45 carat Pear Boulder Opal, loose Certified Boulder Opal from Australia, Natural Untreated Gem, 24.4 x 13.7 mm, Photo A

11.45 carat Pear Boulder Opal, loose Certified Boulder Opal from Australia, Natural Untreated Gem, 24.4 x 13.7 mm

Boulder Opal

11.45ct1 pc
$ 57.25
24.4 x 13.7 mm
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18.23 ct Oval Serpentine, 21.8 x 14.3 mm From the United States, Photo A

18.23 ct Oval Serpentine, 21.8 x 14.3 mm From the United States

Serpentine

18.23ct1 pc
$ 39.19
21.8 x 14.3 mm
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0.87 carat Green Sapphire, Cushion loose Sapphire from Madagascar, Natural Gem, 4.9 x 4.9 mm, Photo A

0.87 carat Green Sapphire, Cushion loose Sapphire from Madagascar, Natural Gem, 4.9 x 4.9 mm

Sapphire

0.87ct1 pc
$ 69.60
4.9 x 4.9 mm
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29.73 ct Loose Violet Lepidolite, 38.4 x 10.1 mm Pencil Cut From the United States, Photo A

29.73 ct Loose Violet Lepidolite, 38.4 x 10.1 mm Pencil Cut From the United States

Lepidolite

29.73ct1 pc
$ 2.97
38.4 x 10.1 mm
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1.64 ct Oval Cat's Eye Moonstone, 8.1 x 6 mm From India, Photo A

1.64 ct Oval Cat's Eye Moonstone, 8.1 x 6 mm From India

Cat's Eye Moonstone

1.64ct1 pc
$ 4.92
8.1 x 6 mm
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0.84 ct Blue Kyanite, 6.8 x 4.9 mm Oval Cut From Nepal, Photo A

0.84 ct Blue Kyanite, 6.8 x 4.9 mm Oval Cut From Nepal

Kyanite

0.84ct1 pc
$ 21.00
6.8 x 4.9 mm
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4.89 carat Multicolor Mystic Quartz, Pear Concave Cut loose Mystic Quartz from Brazil, Natural Gem, 14.3 x 10.2 mm, Photo A

4.89 carat Multicolor Mystic Quartz, Pear Concave Cut loose Mystic Quartz from Brazil, Natural Gem, 14.3 x 10.2 mm

Mystic Quartz

4.89ct1 pc
$ 14.67
14.3 x 10.2 mm
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49.99 ct Cushion Moss Agate, 40.8 x 21.3 mm From India, Photo A

49.99 ct Cushion Moss Agate, 40.8 x 21.3 mm From India

Moss Agate

49.99ct1 pc
$ 49.99
40.8 x 21.3 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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