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

0.25 carat Yellow Spessartite Garnet, Oval loose Spessartite Garnet from Mozambique, Natural Untreated Gem, 3.9 x 3.2 mm

22.63 carat Swiss Blue Topaz, Oval loose Topaz from Brazil, Natural Gem, 19.9 x 15 mm

1.9 carat Pear Shape Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 8.1 x 5.2 mm

3.97 ct Black Star Sapphire, 10.3 x 8.3 mm Oval Cut From Thailand

2.61 carat Swiss Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gems, 6 x 4.1 mm

0.68 ct Loose Yellow Sapphire, 5 mm Round Cut From Tanzania

1.4 ct Loose Trillion Cut Mystic Quartz, 6.1 x 6 mm From Brazil

0.74 carat Green Sapphire, Trillion-Cut loose Sapphire from Madagascar, Natural Gem, 5.6 x 5.6 mm

2.37 ct Oval Strawberry Quartz, 9.1 x 7.2 mm From Russia

7.4 carat Black Tourmaline, Oval loose Tourmaline from Tanzania, Natural Untreated Gem, 12.9 x 11.1 mm

10.54 ct Oval Tiger's Eye, 18.5 x 13.7 mm From India

4.58 ct Yellow Quartz, 12.4 x 12.3 mm Carved From Brazil

0.91 ct Blue Kyanite, 7.2 x 5.1 mm Oval Cut From Nepal

31.41 ct Oval Rainbow Moonstone, 34 x 16.6 mm From the United States

31.2 carat Pear Boulder Opal, loose Certified Boulder Opal from Australia, Natural Untreated Gem, 29.5 x 20.6 mm

7.3 carat Pear Shape Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 16.7 x 12.2 mm

0.49 ct Loose Violet Sapphire, 6.1 x 4 mm Oval Cut From Tanzania

1.98 carat Round Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 2.1 mm

2.74 ct Trillion Pietersite, 10.3 x 9.2 mm From Namibia

5.6 ct Asscher Cut Rose Quartz, 10.8 x 10.8 mm From South Africa

4.89 carat Trillion Rhodolite Garnet, loose Certified Rhodolite Garnet from Tanzania, Natural Untreated Gems, 5.1 x 5 mm

2.98 ct Round Cut Peridot, 5 mm From China

1.24 carat Oval Demantoid Garnet, loose Certified Demantoid Garnet from Namibia, Natural Untreated Gems, 4.5 x 3.6 mm

5.86 ct Yellow Agate, 12.3 x 11.1 mm Oval Cut From India

2.04 ct Oval Cut Golden Beryl, 10 x 7.8 mm From Madagascar

7.84 ct Cushion Cut Pietersite, 13.4 x 10.2 mm From Namibia

0.37 ct Loose Yellow Sapphire, 4.5 mm Round Cut From Tanzania

9.18 ct Green Jadeite, 17.8 x 13.7 mm Oval Cut From Myanmar

0.89 ct Trillion Cut Mystic Quartz, 5.2 x 5.2 mm From Brazil

10.14 ct Carved Prehnite, 16.9 x 11.8 mm From South Africa

0.35 ct Loose Purple Sapphire, 5.2 x 2.6 mm Marquise Cut From Tanzania

0.4 ct Loose Pink Sapphire, 5.5 x 3.8 mm Oval Cut From Madagascar

Buy Calcite Gemstones

In what colors are Calcite Gemstones available?

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