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

1.56 carat Orange Zircon, Emerald Cut loose Zircon from Tanzania, Natural Untreated Gem, 7.1 x 5.3 mm

3.95 carat Half Drilled Briolette Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 12 mm

0.54 ct Loose Purple Sapphire, 5.2 x 4.1 mm Oval Cut From Madagascar

4.41 carat Oval Opal, loose Certified Opal from Australia, Natural Untreated Gem, 14.6 x 10.8 mm

2.48 ct Oval Carnelian, 10 x 8 mm From India

1.13 carat Orange Sunstone, Oval loose Sunstone from India, Natural Untreated Gem, 7.9 x 5.9 mm

0.78 ct Round Cut Color-Change Diaspore, 5.7 mm From Turkey

14.51 carat Black Tourmaline, Emerald Cut loose Tourmaline from Tanzania, Natural Untreated Gem, 18.8 x 10.7 mm

7.88 ct Oval Star Moonstone, 12.1 x 10.1 mm From India

23.89 ct Green Agate, 20.3 mm Round Cut From India

2.8 ct Yellow Beryl, 9.2 x 6.9 mm Oval Cut From Madagascar

2.55 carat Yellow Citrine, Round loose Citrine from Brazil, Natural Untreated Gems, 7.1 mm

1.1 carat Orange Hessonite Garnet, Oval loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 7.1 x 5.7 mm

1.47 ct Oval Cut Rainbow Moonstone, 8.1 x 6.2 mm From the United States

40.98 ct Cushion Charoite, 30.8 x 23.7 mm From Russia

1.33 carat Blue Tanzanite, Pear Shape loose Tanzanite from Tanzania, Natural Gems, 5.2 x 3.9 mm

1.06 carat Blue Sapphire, Cushion loose Sapphire from Madagascar, Natural Gem, 6.1 x 5.1 mm

0.75 ct Loose Green Tourmaline, 6 x 5 mm Oval Cabochon From Mozambique

6.48 ct Black Star Sapphire, 11.5 x 8.8 mm Oval Cut From Thailand

0.14 ct Brown Diamond, 3.4 mm Diamond Cut From India

4.1 carat Oval Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gems, 6 x 4.1 mm

4.42 carat Black Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 11 x 7.4 mm

20.5 ct Round Obsidian, 21.7 mm From India

3.19 ct Loose Oval Star Ruby, 9.5 x 6.9 mm From Madagascar

2.99 carat Trillion Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 10 x 9.9 mm

1.65 carat Green Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 20.5 x 3.2 mm

1.5 carat Orange Hessonite Garnet, Oval loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 7.7 x 6.4 mm

0.13 carat Square Emerald, loose Certified Emerald from Colombia, Natural Gem, 2.7 x 2.7 mm

1.66 carat Orange Hessonite Garnet, Oval loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 8.1 x 6.3 mm

2.85 ct Oval Prehnite, 7.7 x 6.5 mm From South Africa

1.55 carat Pink Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 8.1 x 4.9 mm

22.93 ct Oval Jasper, 25.8 x 18.5 mm From Mexico

Buy Calcite Gemstones

In what colors are Calcite Gemstones available?

Want to learn more about Calcite?

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