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Calcite Gemstones - Natural, Certified Loose Gems

Calcite Weight
Calcite Size
Calcite Clarity
Calcite Price

Size Explained

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For Example: 6-7
For Example: 8-9
Bi-color
Black
Blue
Brown
Golden Calcite
Gray
Green
Multicolor
Orange
Pink
Purple
Red
Turquoise
Violet
White
Yellow
Single
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ID: 735812
Weight: 40.31ct
Size: 39.4 x 21.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 33.37
Item in Stock
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ID: 735801
Weight: 33.20ct
Size: 37.4 x 22.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 27.49
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ID: 735774
Weight: 37.16ct
Size: 38.1 x 20.6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 30.77
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ID: 735999
Weight: 20.22ct
Size: 29.2 x 16.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 16.74
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ID: 735816
Weight: 33.18ct
Size: 32.7 x 19.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 27.47
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ID: 735793
Weight: 47.69ct
Size: 37.6 x 27.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 39.49
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ID: 735781
Weight: 48.69ct
Size: 36.3 x 25.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 40.32
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ID: 735769
Weight: 12.36ct
Size: 23.5 x 14.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 10.24
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ID: 735790
Weight: 25.55ct
Size: 24.2 x 20.6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 21.16
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ID: 735811
Weight: 34.58ct
Size: 39.1 x 21 mm
Clarity: Translucent
Content: 1 pc
Price: $ 28.63
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ID: 735784
Weight: 29.16ct
Size: 32.1 x 24 mm
Clarity: Translucent
Content: 1 pc
Price: $ 24.14
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Why Buy Calcite from GemSelect?

FAQs

What are calcite gemstones?

Calcite gemstones are natural calcium carbonate minerals with vibrant orange, blue, or green hues, sourced from Mexico and Brazil. Certified and ideal for collectibles or jewelry.

What shapes are available for calcite gemstones?

Calcite gemstones are crafted into cabochons, beads, tumbled stones, and carvings, available in various sizes to suit pendants, earrings, or decorative pieces.

Are calcite gemstones treated?

Calcite gemstones are typically untreated, showcasing natural color and clarity. Certifications ensure authenticity, with no enhancements commonly applied.

What uses suit calcite gemstones?

With a Mohs hardness of 3, calcite gemstones are best for pendants, earrings, or collectibles, as their softness limits use in rings or high-wear jewelry.

What color variations exist in calcite gemstones?

Calcite gemstones include orange, blue, green, yellow, white, and colorless hues. Mexican orange and Brazilian green are vibrant, while Iceland spar is prized for clarity.

How do I buy calcite gemstones from GemSelect?

Visit the calcite gemstones category, select your stone by color or shape, and purchase with secure checkout and worldwide shipping.

Are calcite gemstones in stock and ethically sourced?

All calcite gemstones are in stock, ethically sourced from Mexico, Brazil, and the USA, ensuring certified quality and sustainable practices.

What makes calcite gemstones unique?

Calcite gemstones stand out for their vivid colors, optical clarity, and affordability. Their softness and variety make them prized for collectors and metaphysical uses.

GemSelect Certified Store Reviews

GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!

Overall Rating -> 10 star ratings

I was looking for high-quality amethyst on this site, and I was able to compare size, color, and weight in detail before making a purchase.

Posted By Atsuhisa in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Love the precise descriptions and calibrations of hte loose gemstones. Would like to have seen more variety in the size gem I was looking for.

Posted By RenoRose in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

On the clarity options it goes "and better" so if youre looking for si specifically and you click si and better it still shows you basically everything. It just removes the opaques. Itd be nice if it was vs only, vss only, si only, etc

Posted By Iamnotakrustykrab in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

The stones are very nice.

Posted By Mvk in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I purchased from you before and I have never been disappointed. I always received what I expected and your products are very nice.

Posted By MVK in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great service and everything was easy to find or get to

Posted By Online Shopper in March, 2025
Source: Bizrate
Enlarged Gemstone Image