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

2.88 carat Blue Tanzanite, Oval loose Tanzanite from Tanzania, Natural Gem, 9.8 x 7.9 mm

3.21 carat Pear Shape Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 12.8 x 9.4 mm

0.93 carat Orange Hessonite Garnet, Cushion loose Hessonite Garnet from Sri Lanka, Natural Untreated Gem, 5.2 x 5.1 mm

4.96 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 14 x 10 mm

2.05 carat White Zircon, Oval loose Zircon from Cambodia, Natural Gems, 7 x 5 mm

11.7 ct Oval Maw-Sit-Sit, 16 x 11.6 mm From Myanmar

8.52 ct Oval Coral, 19.4 x 13.8 mm From Indonesia

1.42 ct Oval Sillimanite Cat's Eye, 6.5 x 6.4 mm From Madagascar

0.92 ct Cushion Cut Color-Change Diaspore, 6.6 x 4.9 mm From Turkey

0.76 ct Round Labradorite, 5.2 mm From Madagascar

3.44 carat Oval Ruby, loose Certified Ruby from Madagascar, Natural Gems, 7.8 x 5.9 mm

4.53 carat Yellow Citrine, Briolette loose Citrine from Brazil, Natural Untreated Gem, 14.5 mm

1.63 ct Blue Star Sapphire, 8.2 x 6.2 mm Oval Cut From Thailand

1.48 carat Square Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 5.1 x 5.1 mm

2.94 carat Sky Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gems, 6.1 x 4.2 mm

0.28 ct Loose Orange Sapphire, 3.4 mm Round Cut From Tanzania

3.14 ct Round Onyx, 7 mm From Sri Lanka

1.14 ct Oval Cut Kornerupine, 8 x 5.7 mm From Sri Lanka

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

4.98 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 12 x 10 mm

0.47 ct Loose Pink Sapphire, 6.1 x 4 mm Oval Cut From Madagascar

0.62 ct Square Cut Color-Change Diaspore, 5.1 x 4.8 mm From Turkey

18.29 ct Fancy Rainbow Moonstone, 21.2 x 13.9 mm From the United States

3.28 carat Green Sapphire, Oval loose Sapphire from Tanzania, Natural Gems, 6 x 5.1 mm

16.23 ct Gray Jadeite, 19.9 x 14.6 mm Oval Cut From Myanmar

85.63 carat Multicolor Jasper, Pear loose Jasper from Indonesia, Natural Untreated Gem, 41.4 x 34.8 mm

1.99 carat Yellow Citrine, Marquise Cut loose Citrine from Brazil, Natural Untreated Gems, 9.1 x 5.1 mm

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

0.91 ct Yellow Sphene, 6.2 x 5.1 mm Oval Cut From Sri Lanka

1.75 ct Loose Oval Cut Black Opal, 11.4 x 8.1 mm From Ethiopia

1.37 ct Loose Green Tourmaline, 7.8 x 5.8 mm Oval Cabochon From Mozambique

0.7 ct Loose Pink Sapphire, 6.2 x 5.1 mm Oval Cut From Madagascar

Buy Calcite Gemstones

In what colors are Calcite Gemstones available?

Want to learn more about Calcite?

Gemstone Information

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