Chrysoprase

Chrysoprase is the apple-green variety of chalcedony, colored by traces of nickel. It is translucent and highly appreciated in cabochons. Its color can fade if exposed to heat or a very dry environment.

Properties #

• Composition: silicon dioxide (chalcedony) with nickel.
• Hardness: 6.5 to 7 on the Mohs scale.
• Color: apple green to mint green.
• Origins: Australia, Poland, Brazil and Tanzania.
• Treatments: may be dyed; beware of jade imitations.

Uses in jewelry #

• Cabochons, beads and pendants.
• Fresh-looking rings and earrings.
• Studio jewelry.

Pros and cons #

Advantages #

• Unique apple-green color.
• Relatively durable.
• An affordable alternative to jade.

Limitations #

• Fades with heat and dryness.
• The best stones are scarce.
• Imitated with glass and dye.

Care and cleaning #

• Clean with lukewarm water and mild soap.
• Avoid heat and intense sun.
• Store with a slightly damp cloth.

See also #

• Gemstones in jewelry
• Agate
• Jade