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F: A quality that makes it difficult to see inclusions with a 10x magnifying glass.

VS: Quality that makes it difficult to see the inclusions with the naked eye.

SI: Quality that can be seen with the naked eye * Including fine chips and scratches that are difficult to see with the naked eye and lack of fabric

hue

S: A top-class color for the gem type or a rare color that does not exist in large numbers

A: A quality color that falls within the beautiful or wonderful class of the gem type

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jewelclimbplus

Hyalite Opal (Glass Opal) Gemstone Loose 0.80 CT

Name: Hyalite Opal (Glass Opal) Gemstone Loose 0.80 CT
Brand: jewelclimbplus
SKU: 1056398
Price: 4357.0 HKD
Availability: InStock

◆◆◆◆For non-Japanese buyer◆◆◆ [With loose certificate] If there is a statement like the above, the product has been inspected in Japan. be attached.

HK$4,357.00

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[Loose stone identification certificate included]
A rare opal that reacts to ultraviolet light!
Hyalite Opal (Glass Opal) 0.80CT

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An extremely rare opal!
This is hyalite opal that fluoresces under ultraviolet light.

Hyalite opal is derived from the Greek word hualos, which means glass.

Because it looks like glass, it is commonly known as glass opal, and because it is extremely difficult to produce and is the rarest of all opal species, it is also called the mysterious stone.

Unlike precious opals, which have play of color like black opals and Mexican opals, common opals do not have play of color.

As it is called glass opal, it is characterized by unique bubble-like and rhytidic inclusions.
It gives the impression of being similar to Moldavite, a famous natural glass.

Hyalite opal rough stones have the appearance of a collection of small, transparent lumps that resemble glass particles, and look like drops of water that have fallen one by one and solidified.

Therefore, large sizes are not available, so 0.3 CT is sufficient.

What is particularly mysterious is that it emits a neon green color when exposed to ultraviolet light (black light).

It contains trace amounts of uranium and fluoresces when exposed to ultraviolet light.

By the way, you may be hesitant to hear the word uranium, but it is an extremely small substance and has no effect on the human body.

It is also common for this gemstone to contain inclusions and chips.
We hope you will see this as a natural beauty.

Of course, not all hyalite contains uranium; it is a natural product that occurs by chance.

Please enjoy the rare hyalite opal.

◇Gemstone: Hyalite (glass opal) ◇Weight 0.80CT ◇Shape: Round ◇Dimensions: 6.80 x 6.85 x 4.21 mm ◇Origin: Mexico ◇Hardness 5.5-6.5 ◇Quality SI ◇Hue S ◇Notes: Loose identification certificate included