Peruvian Black Iris Opal

Gemstone Quality Standard

About Peruvian Black Iris Opal

Peruvian Black Iris Opal® was discovered in 2019 when in a Pink Opal vein appeared a tiny bubble of this unique material (only 20 Kg). Then for more than a year, this material never again appeared. Just recently in 2022, a new bubble of this material appeared in the same vein. This time 250 kilograms of Peruvian Black Iris Opal® could be extracted before the bubble disappeared again. And who knows, if there will be ever again a find of this material.

Rarity

With a total of only 280 kilograms of this material ever being found, the Peruvian Black Iris Opal deserves the title of being one of the rarest gemstones worldwide. Additionally, only approximately 25 % of the material qualifies as Premium jewelry-grade. The entire amount of this material is owned by Gemrock Peru.

Color

Peruvian Black Iris Opal® is a blackish translucent stone with a white pattern that resembles the coloration pattern of a human iris.

However, the most amazing feature of this beautiful stone is that it is fluorescent. Under UV light the white part emits a strong dark green fluorescent light.

You can buy our finished top-quality cabochons for jewelry makers.

National and international shipping from our US-based warehouse.

Buy your Black Iris Opal Cabochons here

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Polishable

Polishable to glass-like finish.

Cutting Quality

Advantages:

Peruvian Black Iris Opal® does not tend to break or chip. Experienced cutters therefore can obtain very sharp unchipped edges between the backside and bezel as well as between the bezel and dome.

Top-cutting-quality is characterized by:

a polished backside
a sharp unchipped edge between the backside and the bezel
a very straight and even highly polished bezel
a sharp unchipped edge between the bezel and the dome
a well-shaped dome, not showing any deformation
Top-quality polish

Pricing

Adequate pricing must take into account the cost factors to obtain top-quality cabochons:

Acquisition of more Peruvian Black Iris Opal® is impossible.
A usual material loss of approximately 90 % of the selected material during the cutting and shaping process.
The level of experience required by a cutter to produce a flawlessly shaped and highly polished cabochon.

You can buy our finished top-quality cabochons for jewelry makers.

National and international shipping from our US-based warehouse.

Buy your Black iris Opal Cabochons here

Top Jewelry Grade Color:

blackish translucent opal with a white iris pattern.

Cutting Quality:

Straight bezel, 3 mm high
Flat and perfect dome (3 mm high)
Edges between bezel and dome, as well as bezel and backside: sharp and crispy.
Backside flat, at 280 grit

Pricing:

Recommended Retail Price: 10.00 USD per carat

Top Jewelry-Grade Color:

Blackish translucent opal with a strong white iris pattern.

Cutting Quality:

Straight bezel, 3 mm high
Flat and perfect dome (1-3 mm high)
The edges between the bezel and dome, as well as the bezel and backside, are sharp and crispy, with no chips on the lower edge.
Backside flat, polished to 3000 grit

Pricing:

Recommended Retail Price: 15.00 USD per carat

Gemrock is the sole owner of all of this opal.

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Cutting services

Do you need reliable high-quality cutting services for a reasonable price? Are you looking for a service provider that is willing to develop new products according to your requirements? Would you like to get expert advice in order to improve your product? Do you wish for someone to optimize the process and get the most out of your rough? Just talk to us.