Chrysoprase
Australia, Tanzania · 6 specimens · 3.0ct avg






Chrysoprase is a nickel-bearing variety of chalcedony with a distinctive translucent apple-green to deep green color. With Mohs hardness around 6.5–7 and good toughness, it is suitable for cabochons, beads and carvings and has been valued for centuries in decorative and fine jewelry.
Price History
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Specimen Data
Value Drivers
Chrysoprase is available in relatively large nodules, so small size alone does not command a premium. Carat weight becomes more important for thick, vividly colored cabochons or large matched sets where fine, even color and minimal inclusions are maintained across the piece.
Color is the dominant value factor: intense, evenly distributed apple-green to slightly bluish-green hues with good translucency are most sought after. Pale, grayish or unevenly colored material is much less valuable, and heavily brown-stained or spotted pieces are typically relegated to lower-grade products.
Clarity refers to freedom from fractures, cloudy patches and conspicuous dark inclusions. Fine chrysoprase is dense, with a smooth internal texture and a soft, even glow; heavily fractured or pitted material quickly loses appeal, especially when used in rings or bracelets that demand durability.
Cabochons, beads and carved forms dominate. Well-shaped domes that highlight uniform color and translucency, with excellent polish and minimal flat spots, greatly enhance perceived quality. Complex carvings that use natural color zoning creatively can also add value.
Market Dynamics
Historically important sources of chrysoprase include deposits in Poland and Silesia, with major modern production from Australia, Brazil and parts of Africa. High-quality material from some classic European deposits is largely exhausted, but newer Australian deposits provide substantial, though finite, supply.
Demand is driven by its distinctive color, which fills a niche between jade and emerald, and by its strong presence in both vintage European and contemporary designer jewelry. It is also popular in metaphysical markets where it is associated with growth and renewal.
The combination of classic Art Deco revival styles and modern interest in opaque colored stones has kept high-quality chrysoprase in steady demand, with premiums for well-cut stones of Australian origin showing strong, even color.
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Insights
The vivid green color of chrysoprase is caused by trace nickel within the chalcedony structure.
Historically, chrysoprase was prized in Prussian and Russian royal jewelry and used extensively in architectural inlays.
Prolonged exposure to strong heat or sunlight can sometimes fade chrysoprase's color; storing stones away from harsh conditions is recommended.
Unlike jade, chrysoprase is quartz-based, which affects both its physical properties and its price point.
Because it takes a fine polish and can be cut into large, bold shapes, chrysoprase is popular in contemporary statement pieces.
Some low-grade material is dyed to imitate better color; experienced buyers look for even color distribution and reputable sources to avoid treated stones misrepresented as natural.
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