Chrysopal is an attractive green variety of common opal, prized for its unique color, which ranges from delicate apple-green and yellow-green to a more saturated blue-green. Its name and hue evoke chrysoprase (green chalcedony), yet it is a hydrated silicon dioxide, not microcrystalline quartz.
Unlike precious opal, chrysopal typically does not exhibit a vibrant play of color (opalescence), but captivates with its pure hue, translucent to opaque texture, and characteristic vitreous or waxy luster. Its beauty lies precisely in its pleasant, serene green color.
Significant chrysopal deposits are found in Australia (especially Queensland), Tanzania, Brazil, the USA, Peru, and Mexico. It forms as a result of low-temperature hydrothermal processes or during the weathering of serpentinite and other ultramafic rocks, often occurring alongside chalcedony, limonite, and other silicas. Due to its attractive color and sufficient hardness for processing, chrysopal is used in jewelry to create cabochons, beads, and inlays for ornaments. It is also valued by mineral collectors for its aesthetic appeal and the relative rarity of high-quality, uniformly colored specimens. Its serene green color is often associated with nature, harmony, and renewal.
Contemplating chrysopal is believed to promote feelings of emotional balance and tranquility. Chrysopal is an excellent choice for connoisseurs of unique natural stones, adding freshness and elegance to jewelry pieces and mineralogical collections.
Physical properties
Chemical formula
SiO₂·nH₂O (Hydrated Silicon Dioxide)
Hardness
5.5 - 6.5
Crystal system
Amorphous (no crystalline structure)
Transparency
Translucent to opaque
Luster
Vitreous, waxy, sometimes dull
Color
Green, apple-green, yellow-green, blue-green
Specific gravity
1.98 - 2.25
Jewelry with this mineral
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