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Home Gemstones Nuummite
18.41 ct Black Nuummite Gemstone, Nuummite Gem in Oval Cabochon Shape for Sale.
Photos are of Actual Product for Sale
18.41 ct Black Nuummite Stone, Natural Nuummite in Oval Cabochon Shape for Sale Nuummite Gemstone in 19.9 x 16.4 mm Size for Sale, Nuummite Stone in Black with Blue Sparkle Color

18.41ct Natural Black Nuummite, Oval Cut, 19.9x16.4 mm

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Product ID: 626938
Type: Nuummite
Weight: 18.41 ct 1 gem
Size: mm calibrated
Size: 19.9 x 16.4 x 7.2 mm
Exact Size: 19.86 x 16.44 x 7.24 mm
Length x Width x Depth
Shape: Oval Cabochon
Color: Black with Blue Sparkle
Clarity: Opaque
Treatment: Untreated
Origin: India
Content: 1 pc
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Product Description

This is a 18.41 carat natural black with blue sparkle Nuummite gem, 1 pc in oval shape with an exact size of 19.86 x 16.44 x 7.24 mm. This loose Nuummite gemstone was mined in India and its clarity is Opaque. No treatment has been applied on this natural Nuummite stone

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Overall Rating -> 10 star ratings

I needed a very specific color of tourmaline and Gem Select had it. I had to get the client to agree and then ordered the stone. It arrived better than pictured and we all were very happy.

Posted By Tim W in February, 2026
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I can pick and choose from large selection and find just what I need for .y projects, currently my cane.

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Everything was good, the purchase was what I expected and what they show is what you get.

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Posted By Lenny in January, 2026
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Posted By Becky in October, 2025
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Overall Rating -> 8 star ratings

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Posted By TRM in October, 2025
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