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.

Calcite Gemstones - Natural, Certified Loose Gems

Calcite Weight

Calcite Size

Calcite Clarity

Calcite Price

Size Explained

Choose Size or Size Range

For Example: 6-7

For Example: 8-9

Bi-color

Black

Blue

Brown

Golden

Gray

Green

Multicolor Calcite

Orange

Pink

Purple

Red

Turquoise

Violet

White

Yellow Calcite

Single

Pairs

Lots

Faceted

Cabochons

Clear All

20.10ct Yellow Calcite, Pear Shape, Translucent

34.3 x 15.3 mm

$ 13.81

View Gem

40.31ct Yellow Calcite, Oval, Translucent

39.4 x 21.9 mm

$ 27.70

View Gem

42.14ct Yellow Calcite, Oval, Translucent

37.5 x 18.7 mm

$ 28.97

View Gem

27.29ct Yellow Calcite, Oval, Translucent

29.7 x 17.1 mm

$ 18.76

View Gem

25.69ct Yellow Calcite, Pear Shape, Translucent

31.6 x 19.9 mm

$ 17.66

View Gem

24.69ct Multicolor Calcite, Pear Shape, Opaque

30.7 x 16.4 mm

$ 14.07

View Gem

37.16ct Yellow Calcite, Oval, Translucent

38.1 x 20.6 mm

$ 25.54

View Gem

37.32ct Yellow Calcite, Oval, Translucent

38.8 x 23 mm

$ 25.65

View Gem

53.06ct Yellow Calcite, Oval, Translucent

41.8 x 23.1 mm

$ 36.46

View Gem

38.52ct Yellow Calcite, Pear Shape, Translucent

32.1 x 21.8 mm

$ 26.48

View Gem

37.52ct Yellow Calcite, Oval, Translucent

40 x 20.1 mm

$ 25.79

View Gem

8.33ct Yellow Calcite, Pear Shape, Translucent

25.1 x 10.7 mm

$ 5.73

View Gem

49.78ct Multicolor Calcite, Pear Shape, Opaque

39.8 x 28.2 mm

$ 28.37

View Gem

13.57ct Yellow Calcite, Oval, Translucent

24.5 x 13.7 mm

$ 9.32

View Gem

36.45ct Yellow Calcite, Oval, Translucent

39.5 x 22.4 mm

$ 25.05

View Gem

7.32ct Yellow Calcite, Pear Shape, Translucent

25.2 x 10.8 mm

$ 5.03

View Gem

9.31ct Yellow Calcite, Pear Shape, Translucent

23.3 x 13.2 mm

$ 6.39

View Gem

13.24ct Yellow Calcite, Pear Shape, Translucent

30.2 x 17 mm

$ 9.11

View Gem

31.92ct Yellow Calcite, Pear Shape, Translucent

36.8 x 17.2 mm

$ 21.93

View Gem

40.50ct Yellow Calcite, Oval, Translucent

37.1 x 21.8 mm

$ 27.84

View Gem

33.20ct Yellow Calcite, Oval, Translucent

37.4 x 22.8 mm

$ 22.82

View Gem

21.41ct Yellow Calcite, Pear Shape, Translucent

28.5 x 16.2 mm

$ 14.71

View Gem

50.15ct Yellow Calcite, Oval, Translucent

39.5 x 20.3 mm

$ 34.46

View Gem

58.56ct Yellow Calcite, Pear Shape, Translucent

41.4 x 23.3 mm

$ 40.25

View Gem

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Why Buy Calcite from GemSelect?

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Supplying natural gemstones to jewelers and collectors in 120+ countries
Verified natural gemstones
View All GemSelect Reviews on Bizrate
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GemSelect Certified Store Reviews

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

Overall Rating -> 10

Fairly good selection of calibrated gems but would like to see more in various sizes, esp rounds,

Posted By Eddie in August, 2026

Source: Bizrate

Overall Rating -> 10

Love this website! Looking forward to ordering consistently throughout the years to come building a personal collection.

Posted By Torgo in August, 2026

Source: Bizrate

Overall Rating -> 10

Overall, a very positive experience. I collect FACETED gems and wish there were more faceted items to choose from. The cabachons are greata'just not what I collect.

Posted By FACETS RULE in September, 2026

Source: Bizrate

Overall Rating -> 10

I have been very happy with my prior purchases and enjoy the website experience.

Posted By Trouble in November, 2025

Source: Bizrate

Overall Rating -> 10

Enjoy viewing the selections. Excellent product

Posted By ToRa.62 in April, 2026

Source: Bizrate

Overall Rating -> 10

Very good. I have made several purchases as a collector over the years, and have never been dissapointed in the selection, process, or delivery.

Posted By Schmoove in August, 2026

Source: Bizrate

→ View All GemSelect Reviews on Bizrate