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0.56 ct Multicolor Black Opal Gemstone, Black Opal Gem in Marquise Cabochon Shape for Sale.
Photos are of Actual Product for Sale
0.56 ct Multicolor Black Opal Stone, Natural Black Opal in Marquise Cabochon Shape for Sale Black Opal Gemstone in 10 x 5 mm (calibrated) Size for Sale, Black Opal Stone in Multicolor Color

0.56ct Natural Multicolor Black Opal, Marquise, 9.8x5 mm

9.7 out of 10
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Product ID: 754901
Type: Black Opal
Weight: 0.56 ct 1 gem
Size: 10 x 5 mm calibrated
Size: 9.8 x 5 x 2.6 mm
Exact Size: 9.79 x 5.04 x 2.55 mm
Length x Width x Depth
Shape: Marquise Cabochon
Color: Multicolor
Clarity: Translucent
Treatment: Smoked
Origin: Ethiopia
Content: 1 pc
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Product Description

This is a 0.56 carat natural multicolor Black Opal gem, 1 pc in marquise shape with an exact size of 9.79 x 5.04 x 2.55 mm. This loose Black Opal gemstone was mined in Ethiopia and its clarity is Translucent.

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Overall Rating -> 9 star ratings

The website was easy to use and informative of the selection of stones it has. I quickly found the right stone for me.

Posted By Guero in March, 2026
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easy interface for a pricless buy

Posted By Zeak in May, 2026
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Overall Rating -> 10 star ratings

Very food

Posted By Keeto in July, 2025
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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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Overall Rating -> 10 star ratings

All these questions, and I don't have to give any blood. What a Deal... I absolutely enjoy the Gem Select emails every month. This one today was special. I always say, I'll know it when I see it. This stone today was the One. Odd and Intriguing. Thank You So Much for all that you do.

Posted By G.W. in June, 2025
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Overall Rating -> 10 star ratings

Wonderful purchase, can't wait to see the stone.

Posted By Tim in January, 2026
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