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 Round Emerald, loose Certified Emerald from Colombia, Natural Gem, 4 mm

6.5 ct Round Cat's Eye Scapolite, 12.2 mm From Madagascar

6.06 carat Pear Shape Mystic Quartz, loose Certified Mystic Quartz from Brazil, Natural Gem, 15 x 9.9 mm

5.63 ct Yellow Quartz, 11.2 x 11.1 mm Carved From Brazil

7.82 carat Black Tourmaline, Baguette Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 14.6 x 9.3 mm

1.52 carat Yellow Citrine, Emerald-Cut loose Citrine from Brazil, Natural Untreated Gem, 7.9 x 6.1 mm

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

2.13 ct Loose Oval Cut Black Opal, 10.8 x 8.6 mm From Ethiopia

6.3 carat Sky Blue Topaz, Round loose Topaz from Brazil, Natural Gems, 9.2 mm

2.12 ct Yellow Beryl, 9.3 x 9.2 mm Trillion Cut From Madagascar

14.91 carat Swiss Blue Topaz, Oval loose Topaz from Brazil, Natural Gem, 17 x 12.2 mm

2.19 ct Oval Cut Golden Beryl, 9.9 x 8 mm From Madagascar

14.32 carat Pear Obsidian, loose Certified Obsidian from the United States, Natural Untreated Gem, 24.1 x 16 mm

2.37 carat Oval Ruby, loose Certified Ruby from Madagascar, Natural Gems, 7 x 5.3 mm

0.53 carat Blue Sapphire, Cushion loose Sapphire from Madagascar, Natural Gem, 4.9 x 3.9 mm

1.62 carat Orange Zircon, Diamond-Cut loose Zircon from Cambodia, Natural Untreated Gem, 6.8 mm

0.92 carat Green Sapphire, Trillion-Cut loose Sapphire from Madagascar, Natural Gem, 5.9 x 5.6 mm

3.49 carat Marquise Cut Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 12.1 x 6 mm

11.78 ct Round Cut Color-Change Fluorite, 13.9 mm From Brazil

1.73 carat Oval Ruby, loose Certified Ruby from Madagascar, Natural Gem, 7.7 x 5.9 mm

3.44 carat Sky Blue Topaz, Oval loose Topaz from Brazil, Natural Gem, 10.1 x 8 mm

1.79 ct Oval Cut Andalusite, 5 x 3.1 mm From Brazil

0.93 carat Orange Spessartite Garnet, Oval loose Spessartite Garnet from Mozambique, Natural Untreated Gems, 5.1 x 4.1 mm

27.23 ct Oval Serpentine, 25.9 x 15.7 mm From the United States

1.27 ct Purple Spinel, 10.8 x 5.4 mm Marquise Cut From Tanzania

2.99 ct Orange Andesine Labradorite, 10.2 x 8.2 mm Oval Cut From Congo

3.88 carat White Zircon, Diamond-Cut loose Zircon from Colombia, Natural Gems, 7.1 mm

32.67 ct Cushion Rhodochrosite, 19.8 x 11.9 mm From South Africa

10.23 ct Oval Pietersite, 16.6 x 12.2 mm From Namibia

3.23 carat Swiss Blue Topaz, Heart loose Topaz from Brazil, Natural Gem, 9 x 9 mm

1.28 carat Oval Demantoid Garnet, loose Certified Demantoid Garnet from Namibia, Natural Untreated Gems, 4.9 x 3.9 mm

14.42 ct Baguette Bloodstone, 18.7 x 9.6 mm From Madagascar

Buy Calcite Gemstones

In what colors are Calcite Gemstones available?

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