Calcite Gemstones: Buy Calcite Gemstones at Affordable Prices

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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Gemstones A-Z

Buy Calcite Gems

0.79 ct Loose Yellow Sapphire, 6.1 x 5 mm Oval Cut From Madagascar

2.79 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 10.9 x 8.9 mm

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

2.04 carat London Blue Topaz, Oval loose Topaz from Brazil, Natural Gems, 7.2 x 5.1 mm

3.58 carat White Topaz, Round loose Topaz from Brazil, Natural Untreated Gem, 9 mm

0.49 carat London Blue Topaz, Oval loose Topaz from Brazil, Natural Gem, 5.8 x 3.9 mm

1.39 carat Pear Shape Pyrope Garnet, loose Certified Pyrope Garnet from the United States, Natural Untreated Gems, 7.3 x 5 mm

1.2 carat Green Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 12.2 x 3.5 mm

0.86 ct Loose White Sapphire, 4.5 mm Diamond Cut From Madagascar

3.36 carat Heart Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gems, 6 x 5.9 mm

0.05 ct Black Diamond, 2.1 mm Diamond Cut From India

6.07 ct Odd Shaped Druzy Variscite, 15.9 x 13.2 mm From China

5.22 carat Sky Blue Topaz, Round loose Topaz from Brazil, Natural Gems, 8.1 mm

2.23 carat Oval Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gems, 6.1 x 4.1 mm

2.37 carat Square Rhodolite Garnet, loose Certified Rhodolite Garnet from Mozambique, Natural Untreated Gems, 4.9 x 4.9 mm

4.71 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 11.9 x 9.9 mm

1.12 carat Green Tourmaline, Oval loose Tourmaline from Mozambique, Natural Untreated Gem, 6.1 x 5.5 mm

4.06 carat Sky Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gems, 7 x 4.8 mm

10.04 carat Pear Rainbow Moonstone, loose Certified Rainbow Moonstone from the United States, Natural Untreated Gem, 18 x 11.6 mm

2.64 carat Trillion Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 10.1 x 10 mm

2.55 carat Yellow Apatite, Pear Shape loose Apatite from Madagascar, Natural Untreated Gem, 10.5 x 7.6 mm

26.87 ct Cushion Obsidian, 28.7 x 17.5 mm From Mexico

1.78 carat Oval Ruby, loose Certified Ruby from Madagascar, Natural Gem, 8 x 6 mm

0.53 carat Orange Spessartite Garnet, Oval loose Spessartite Garnet from Mozambique, Natural Untreated Gem, 5 x 4.1 mm

0.68 carat Blue Sapphire, Pear Cabochon loose Sapphire from Madagascar, Natural Gem, 5.4 x 4.3 mm

2.37 carat Orange Hessonite Garnet, Oval loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 9 x 7.4 mm

64.04 carat Bi-color Ametrine, Pear Shape loose Ametrine from Brazil, Natural Untreated Gem, 30.1 x 22.4 mm

0.98 ct Octagon Cut Peridot, 6.6 x 5 mm From China

3.22 carat Swiss Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gems, 6.1 x 4.2 mm

1.77 carat Orange Hessonite Garnet, Emerald Cut loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 8.2 x 5.9 mm

1.27 ct Octagon Cut Kornerupine, 7.9 x 5.4 mm From Sri Lanka

35.26 ct Cushion Fossil Coral, 22.2 x 12.9 mm From Indonesia

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In what colors are Calcite Gemstones available?

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