Hyalite Opal Fluorescent

Hyalite Opal, also known as Water Opal or Glass Opal, is a unique and rare variety of opal that is transparent to translucent and often has a glassy or "water-like" appearance. Unlike traditional opals that exhibit a vibrant play of color, hyalite opal usually does not display significant opalescence (color flashes). However, some hyalite specimens fluoresce under ultraviolet (UV) light, glowing bright green, making them particularly special for collectors.

Key Characteristics: Chemical Formula: SiO₂·nH₂O (Hydrated Silica)Crystal System: Amorphous (lacking a defined crystal structure, like other opals)Color: Clear, colorless, or pale yellow to greenish hues; some specimens may fluoresce under UV light.Luster:

Vitreous (glassy)Hardness: 5.5–6 on the Mohs scale (similar to other opals)

Transparency: Transparent to translucent, often resembling glass or water droplets.

Fluorescence: Certain hyalite opals fluoresce under UV light, exhibiting a bright green glow due to traces of uranium.

Appearance: Water-like Clarity: Hyalite opal is often colorless and looks very much like drops of water or clear glass, giving it the nickname "Water Opal." Its clarity and smooth surface distinguish it from more common, opaque opals.

Fluorescence: Some specimens of hyalite opal glow in a neon green under UV light due to traces of uranium or other elements in the stone. This characteristic makes it highly sought after by mineral collectors.

Formation: Hyalite opal forms in low-temperature hydrothermal environments, where silica-rich water seeps into cavities and cracks in volcanic rocks. As the water evaporates, silica is deposited and forms the opal. This process gives hyalite its distinctive glass-like clarity.

Occurrence: Hyalite opal is found in various regions around the world, often in volcanic areas, including: Mexico: Known for high-quality specimens.Hungary: Historically important, where many famous hyalite deposits are located.United States: Especially in Oregon and Nevada, where both fluorescent and non-fluorescent hyalite can be found.Iceland and Armenia: Other notable locations for this rare variety.

Uses: Collectors: Due to its clarity and unique fluorescence under UV light, hyalite opal is highly prized by mineral collectors.Jewelry: Though rare, hyalite opal is sometimes used in jewelry, often cut into cabochons or polished into freeform shapes. Its transparent appearance gives it a distinct look compared to more traditional opals.

Care:Hyalite opal, like all opals, contains a certain amount of water, which makes it sensitive to changes in humidity or heat. To care for hyalite:Avoid extreme temperatures: Sudden changes in heat can cause the stone to crack.Keep away from prolonged exposure to sunlight: This can dry out the water content in the opal and lead to crazing (cracks on the surface).Clean with a soft cloth and mild soap: Avoid harsh chemicals or ultrasonic cleaners.

Fluorescent Hyalite:One of the most exciting features of hyalite is its fluorescence under UV light. If a specimen contains traces of uranium or other elements, it can glow a bright neon green when exposed to UV light, adding to its value for collectors. This trait makes it a favorite for those interested in minerals that react under different lighting conditions.

Selected for You:

The price is for 1 Specimen. Each Hyalite Opal is hand-picked to ensure you receive a specimen with vibrant color. Every piece is unique, showcasing the natural variations of the specimen.