This "Round Brilliant" cut Hyalite Opal gem is translucent with a golden to orange to colorless interior, but the most important aspect of the piece is the fact that it shows tiny red capillary-like inclusions of iron oxide just below the surface, which has given this material the nickname "Blood Vessel Opal". If you look closely you can see the tiny fibrous inclusions that have an almost organic appearance. This is truly unique and interesting Opal and we've never seen anything like it. We're proud to be the first ones to bring it to the public. One of the great aspects of the material is that unlike a lot of Mexican Opal, and Opal in general for that matter, this particular Opal is incredibly durable and strong, and doesn't fall apart, crumble or chip when cut and / or polished. This is significant because these gems will make great centerpieces for jewelry! It's not often that we see such richly colored Hyalite, and considering it's from a new and very limited discovery, it's a great opportunity to purchase something that nobody else has right now. Don't miss out on this beautiful and rare gem of this well-known Opal variety. Also, Opal is one of the options for October birthstone so don't miss out on this opportunity to purchase a beautiful and rare gem for a special birthday gift!
This is one of the few gemstones of this material that we know of. We had this stone cut from a very small parcel of rough that was deemed worthy for faceting. We hope to have more in the future, but the nature of the material does not allow for a lot of faceted stones. This gem came from rough that was discovered in the beginning of 2016 by a friend of ours who is working a claim with a few of the locals for this fine quality Opal. It's very exciting to see pieces of this quality coming out of the ground, as most of the Opal from this area is not nearly as attractive or fine quality as this piece. For years this material was referred to as Hyalite Opal, but is now listed as a variety of Opal called Opal-AN. This material is specifically an amorphous (often colorless) form of Opal that is found in spherical aggregates, which are often intergrown or stacked with a bead-like appearance. The listing on mindat.org states that "The 'A' in the name stands for amorphous; the subscript N is to imply its structure is network-like similar to silica glass; however, it still contains about 3-8% water."
** PLEASE NOTE: We use professional grade UV lights to photograph all of our pieces, which are pure UV and more powerful than virtually any UV lights that can be purchased at retail stores. Lights purchased outside of scientific suppliers often have mixed wave bulbs with a much lower wattage, and not all minerals (including Opal) fluoresce under different UV waves. For example, these particular Hyalite Opals show strong green fluorescence under short wave UV but almost no fluorescence under long wave. Therefore, they do not fluoresce well under mixed wave lights.
Locality: Etienne Mine, San Luis Potosi, Mexico
Weight: 1.90 cts
Size: 8.80 mm
Cut: Round Brilliant
Color: Golden with Red Blood Vessel Inclusions
Shipping from United States
1-3 business days
Estimated shipping times
- North America : 2 - 5 business days
- Europe : 7 - 14 business days
- Australia, New Zealand and Oceania : 10 - 20 business days
- Asia Pacific : 7 - 14 business days
I'll do my best to meet these shipping estimates, but can't guarantee them. Actual delivery time will depend on the shipping method you choose.
Customs and import taxes
Buyers are responsible for any customs and import taxes that may apply. I'm not responsible for delays due to customs.
Returns & Exchanges
I gladly accept returns, exchanges, and cancellations
Just contact me within: 14 days of delivery
Ship items back to me within: 30 days of delivery
Conditions of return
Buyers are responsible for return shipping costs. If the item is not returned in its original condition, the buyer is responsible for any loss in value.
Questions about your order?
Please contact me if you have any problems with your order.
Last updated 3 July 2022.
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