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Home Gemstones Pleochroic Gems

Pleochroic Gemstones

Explore natural loose pleochroic gemstones chosen for their fascinating angle-dependent color. These gems can reveal different hues as they are turned, making each stone distinctive for jewelry design or collecting.

Pleochroic Gems Weight
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2.31ct Green Tourmaline, Emerald Cut, VVS-VS

19.7 x 3.9 mm

$ 63.28

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1.33ct Pink Tourmaline, Emerald Cut, VS

9.7 x 4.5 mm

$ 96.17

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1.46ct Pink Tourmaline, Emerald Cut, VS-SI

6 x 6 mm (calibrated)

$ 105.58

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1.36ct Bi-Color Tourmaline, Emerald Cut, VVS-VS

9.5 x 4.4 mm

$ 365.73

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2.98ct Pink Tourmaline, Emerald Cut, VS-SI

7.9 x 7.2 mm

$ 225.28

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1.69ctw Blue Tanzanite, Pear Shape, VS

5 x 3 mm (calibrated)

$ 64.81

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1.52ct Green Sphene, Oval, Transparent

7.4 x 6.1 mm

$ 7.57

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2.04ctw Blue Tanzanite, Pear Shape, VS

5 x 3 mm (calibrated)

$ 100.58

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1.48ctw Blue Tanzanite, Pear Shape, VS

4.9 x 3.7 mm

$ 56.76

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1.39ctw Blue Tanzanite, Round, Transparent

5 mm (calibrated)

$ 12.04

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0.98ct Blue Kyanite, Oval, VS-SI

7 x 5 mm (calibrated)

$ 19.52

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1.00ct Blue Kyanite, Oval, SI

7 x 5 mm (calibrated)

$ 24.90

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0.59ct Green Tourmaline, Emerald Cut, VVS-VS

6.9 x 3.4 mm

$ 29.38

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15.90ctw Multicolor Tourmaline, Fancy, Transparent

16.8 x 16.4 mm

$ 395.91

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0.74ct Green Tourmaline, Emerald Cut, SI

7.3 x 3.7 mm

$ 36.85

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8.51ct Black Tourmaline, Emerald Cut, Opaque

24.7 x 6.8 mm

$ 42.38

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1.96ct Green Tourmaline, Emerald Cut, VS

17.8 x 3.7 mm

$ 47.24

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1.71ct Green Tourmaline, Emerald Cut, VVS

14.8 x 3.8 mm

$ 46.85

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2.34ct Green Tourmaline, Emerald Cut, VVS-VS

21.5 x 4.2 mm

$ 64.09

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0.31ct Blue Kyanite, Round, VS-SI

3.7 mm

$ 5.56

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1.62ct Green Tourmaline, Emerald Cut, VS-SI

17.7 x 3.3 mm

$ 53.24

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1.47ct Green Tourmaline, Emerald Cut, VVS-VS

18.6 x 3.2 mm

$ 38.65

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1.31ct Green Sphene, Oval, Transparent

7.4 x 5.3 mm

$ 7.18

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1.22ct Green Tourmaline, Oval, Transparent

8 x 6 mm (calibrated)

$ 22.27

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Why Buy Pleochroic Gems from GemSelect?

Shop Gems with Directional Color

Pleochroic gemstones are valued for the way they can show more than one color depending on viewing direction. This natural optical effect gives loose gems a dynamic personality, especially when viewed in hand or set in jewelry that allows movement and light from different angles.

Popular pleochroic gems may include varieties such as iolite, tanzanite, and andalusite, along with other stones where crystal structure creates visible color changes. The strength of the effect varies from gem to gem, so comparing photos, videos, descriptions, and gem details can help you choose the look you prefer.

Choosing Pleochroic Stones for Jewelry

When selecting a pleochroic gemstone for a ring, pendant, earrings, or a custom design, consider the face-up color, cutting style, size, shape, and how the gem will be oriented in the setting. A skilled cut can present an attractive dominant color while still allowing flashes of secondary hues as the stone moves.

For everyday jewelry, also review the gemstone species and durability information shown on the individual product page. Some pleochroic gems are better suited to protected settings or occasional wear, while others can work well in a wider range of designs.

Loose pleochroic gemstones showing angle-dependent colors

Color, Cut and Viewing Angle

The most enjoyable part of shopping for pleochroic gemstones is discovering how each stone behaves visually. One gem may appear blue from one direction and violet or gray from another; another may shift between earthy green, golden, or reddish tones. These subtle or dramatic changes make pleochroic gems appealing to collectors and jewelry makers who want something beyond a single static color.

Cut orientation plays an important role. The cutter must decide which color direction should face upward, balancing beauty, brilliance, shape, and weight. Because of this, two gemstones of the same variety can still look very different in finished form.

Buying Natural Loose Pleochroic Gemstones

GemSelect offers loose gemstones so you can choose the exact stone for your project. Review the measurements, carat weight, shape, clarity notes, and any available treatment or origin information listed for each individual gem before purchasing. This makes it easier to match a gemstone to your design requirements, preferred color direction, and budget.

Whether you are building a gemstone collection or sourcing a center stone for custom jewelry, pleochroic gems provide a memorable combination of natural color science and visual interest.

FAQ: Pleochroic Gemstones

What does pleochroic mean in gemstones?

Pleochroic gemstones can show different colors or color intensities when viewed from different directions. The effect is caused by the way light interacts with the internal crystal structure of the gem.

Are pleochroic gemstones the same as color-change gemstones?

No. Pleochroism is related to viewing angle, while color change is usually caused by different light sources, such as daylight and incandescent light. Some gems may have more than one optical effect, but the terms describe different phenomena.

Which gemstones are known for pleochroism?

Iolite, tanzanite, and andalusite are well-known examples, although pleochroism can appear in several gemstone species. The visible strength of the effect depends on the individual stone and how it is cut.

Is pleochroism a treatment?

No. Pleochroism is a natural optical property of certain crystals. Any treatment information relevant to a specific gemstone should be checked on that gem’s product details.

How should I choose a pleochroic gemstone online?

Look at the listed photos, videos if available, measurements, shape, and description. Since the appearance can vary by angle, choose the gem whose face-up color and secondary flashes best match your jewelry or collection goals.

GemSelect Certified Store Reviews

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this site is awesome. I was able to look at the products think about purchasing and come back and find the same products. With the amount of inventory gem select has. Its awesome to be able to filter the way that they allow you too.

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All good

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selection was broad and the check out was quick. Great site

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This is the first time I have used this site. I was dissatisfied with the quality of gems and supplies elsewhere and decided to try GemSelect. They are awesome! I was thrilled to see the variety and the great web performance. There was the ability to search for information as well as gems. Things like the clarity rating system and caret weight of the gems. I have always loved making things and I have just started to make jewelry as a business. However I have never made a ring before and have always wanted to. On GemSelect I was able to find good quality gems to use in my creations. I am so glad the website is so easy to use. Thank you GemSelect.

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The process was pleasant, I chose to purchase the stone traditional to the month of March as it is the month in which I was born.

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