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

1.36 carat Yellow Citrine, Round loose Citrine from Brazil, Natural Untreated Gem, 7.2 mm

67.99 ct Fancy Tiger's Eye Matrix, 34 x 26 mm From Mexico

3.08 carat Blue Green Fluorite, Oval loose Fluorite from India, Natural Untreated Gem, 10.2 x 8.3 mm

4.36 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 13.1 x 9.1 mm

1.1 ct Orange Morganite, 8 x 6 mm Oval Cut From Afghanistan

0.63 ct Loose Orange Sapphire, 5 x 4.1 mm Octagon Cut From Tanzania

0.99 ct Pink Morganite, 7.1 x 5.9 mm Oval Cut From Afghanistan

26.93 ct Oval Fossil Coral, 20.4 x 14.3 mm From Indonesia

19.64 carat Bi-color Ametrine, Oval loose Ametrine from Brazil, Natural Untreated Gem, 18.6 x 15.4 mm

0.42 ct Blue Apatite, 3.5 mm Round Cut From Madagascar

1.16 carat Oval Rhodolite Garnet, loose Certified Rhodolite Garnet from Mozambique, Natural Untreated Gem, 7 x 5 mm

30.99 ct Oval Jasper, 28.6 x 14.5 mm From Indonesia

0.98 ct Loose Yellow Sapphire, 6.5 x 5.2 mm Oval Cut From Tanzania

0.84 carat Orange Spessartite Garnet, Oval loose Spessartite Garnet from Mozambique, Natural Untreated Gems, 4.8 x 4 mm

0.7 carat Blue Sapphire, Diamond-Cut loose Sapphire from Madagascar, Natural Gem, 5.5 mm

0.55 ct Loose Orange Sapphire, 4.7 x 4.5 mm Heart Cut From Tanzania

3.22 carat Oval Tsavorite Garnet, loose Certified Tsavorite Garnet from Tanzania, Natural Untreated Gems, 4.7 x 2.9 mm

23.24 ct Loose Pear Dendritic Agate, 20.2 x 15.1 mm From India

1.13 carat Orange Zircon, Diamond-Cut loose Zircon from Cambodia, Natural Untreated Gem, 5.9 mm

30.21 ct Oval Bloodstone, 29.9 x 20.1 mm From Madagascar

2.48 carat Carved Leaf Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gem, 12.2 x 9.1 mm

0.87 ct Loose Pink Sapphire, 8.4 x 4.9 mm Odd Shaped From Madagascar

0.21 ct Square Cut Iolite, 2.7 x 2.6 mm From Madagascar

0.85 ct Loose Cushion Cut Sapphire, 5.6 x 4.6 mm From Madagascar

38.1 ct Fancy Snowflake Obsidian, 35.8 x 21.1 mm From India

0.76 carat Oval Emerald, loose Certified Emerald from Colombia, Natural Gem, 7.2 x 5.3 mm

29.14 ct Oval Jasper, 24 x 19.1 mm From Mexico

0.44 carat Oval Emerald, loose Certified Emerald from Colombia, Natural Gem, 5.7 x 4.1 mm

5.92 carat Oval Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 13.2 x 11.4 mm

0.29 ct Oval Chrysoberyl Cat's Eye, 3.8 x 3.7 mm From Sri Lanka

0.51 ct Loose Purple Sapphire, 6.1 x 4.2 mm Oval Cut From Tanzania

0.79 carat Pear Shape Peridot, loose Certified Peridot from China, Natural Untreated Gems, 6.2 x 4.1 mm

Buy Calcite Gemstones

In what colors are Calcite Gemstones available?

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