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

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

1.7 carat Oval Opal, loose Certified Opal from Australia, Natural Untreated Gem, 10.2 x 7.4 mm

7.47 carat Bi-color Ametrine, Emerald-Cut loose Ametrine from Brazil, Natural Untreated Gem, 13.9 x 10.5 mm

3.64 carat Sky Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gems, 7 x 5.1 mm

1.06 ct Cushion Cut Color-Change Diaspore, 6.6 x 5.3 mm From Turkey

1.81 carat Emerald Cut Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 8.9 x 7 mm

8.69 ct Amethyst Geode Slice, 15.9 x 13.2 mm From Brazil

2.9 ct Oval Malachite, 9 x 6.7 mm From Congo

1.94 ct Brown Cat's Eye Apatite, 8.4 x 6.2 mm Oval Cut From Kenya

2.45 carat Yellow Citrine, Pear Shape loose Citrine from Brazil, Natural Untreated Gems, 9 x 6 mm

0.91 carat Pear Shape Peridot, loose Certified Peridot from China, Natural Untreated Gems, 5.9 x 4.1 mm

4.51 ct Cushion Onyx, 11 x 10.9 mm From Sri Lanka

0.2 carat Round Ruby, loose Certified Ruby from Myanmar, Natural Gem, 3.4 mm

2.78 carat Orange Hessonite Garnet, Oval loose Hessonite Garnet from Madagascar, Natural Untreated Gems, 7.4 x 6.1 mm

1.3 carat Oval Ruby, loose Certified Ruby from Madagascar, Natural Gem, 7 x 5.3 mm

0.74 carat Blue Sapphire, Diamond-Cut loose Sapphire from Madagascar, Natural Gem, 5.6 mm

3.26 ct Orange Moonstone, 7.2 x 7.1 mm Square Cut From India

1.29 ct Oval Sillimanite Cat's Eye, 7.7 x 5.4 mm From Madagascar

0.23 ct Black Diamond, 3.5 mm Diamond Cut From India

0.97 ct Octagon Cut Peridot, 7 x 5 mm From China

1.96 ct Blue Apatite, 4.9 x 3.9 mm Oval Cut From Madagascar

8.93 ct Yellow Quartz, 13.7 x 13.2 mm Odd Shaped From Brazil

2.38 ct Cushion Cut Peridot, 8.9 x 6.6 mm From Myanmar

0.46 carat Green Sapphire, Octagon / Scissor Cut loose Sapphire from Tanzania, Natural Gem, 4.9 x 4 mm

1.81 carat Blue Tanzanite, Pear Shape loose Tanzanite from Tanzania, Natural Gems, 5.9 x 3.8 mm

6.89 ct Green Amazonite, 17.8 x 9.1 mm Marquise Cut From Madagascar

6.69 carat Oval Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gems, 11 x 9 mm

0.58 carat Green Sapphire, Cushion loose Sapphire from Tanzania, Natural Gem, 4.5 x 4.4 mm

2.58 ct Orange Agate, 8.1 x 5.5 mm Oval Cut From India

19.86 ct Oval Agate, 15 x 14.3 mm From Indonesia

1.14 ct Orange Sphalerite, 6.2 mm Round Cut From Spain

14.45 carat Oval Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gems, 14.1 x 10.1 mm

Buy Calcite Gemstones

In what colors are Calcite Gemstones available?

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