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Home Gemstones Chalcedony
6.90 ct Blue Chalcedony Gemstone, Chalcedony Gem in Square Mixed-Cut Shape for Sale.
Photos are of Actual Product for Sale
6.90 ct Blue Chalcedony Stone, Natural Chalcedony in Square Mixed-Cut Shape for Sale Chalcedony Gemstone in 12 x 12 mm (calibrated) Size for Sale, Chalcedony Stone in Purplish Blue Color

6.90ct Natural Blue Chalcedony, Square, 11.9x11.9 mm

9.7 out of 10
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Product ID: 718546
Type: Chalcedony
Weight: 6.90 ct 1 gem
Size: 12 x 12 mm calibrated
Size: 11.9 x 11.9 mm
Exact Size: 11.9 x 11.9 x 5.96 mm
Length x Width x Depth
Shape: Square Mixed-Cut
Color: Purplish Blue
Clarity: Translucent
Treatment: Untreated
Origin: Namibia
Content: 1 pc
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Product Description

This is a 6.90 carat natural purplish blue Chalcedony gem, 1 pc in square shape with an exact size of 11.91 x 11.89 x 5.96 mm. This loose Chalcedony gemstone was mined in Namibia and its clarity is Translucent. No treatment has been applied on this natural Chalcedony stone

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Overall Rating -> 9 star ratings

If you have motion picture, then I will be more satisfied with.

Posted By Ray in November, 2025
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Overall Rating -> 10 star ratings

Navigating the site was very easy and the photos of the exact gem you would be purchasing was well done.

Posted By HVeeder in February, 2026
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Overall Rating -> 10 star ratings

Would have bought an indigo and selenite, but neither listed. But, you do offer quite a large assortment otherwise.

Posted By JD in July, 2025
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Overall Rating -> 9 star ratings

Will know more once order received

Posted By Jim in September, 2025
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Overall Rating -> 10 star ratings

Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 2025
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Overall Rating -> 10 star ratings

Found a rock that met my need. Bought it!

Posted By Skot in May, 2026
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Enlarged Gemstone Image