Global Gemology - Rare Gems & Jewels
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carnelian


Carved carnelian chalcedony and marcasite in a vintage sterling silver scarf clip
Carved carnelian set in an Art Déco Era Egyptian Revial scarf clip
Variety:  Carnelian
Species:  Chalcedony
Mohs Hardness:  7 out of 10
Color:  Semi-transparent to semi-translucent orangy red to to brownish red or brownish orange
RI:  1.535 to 1.539 (1.53 or 1.54 spot reading)
Birefringence:  Usually not detectable
SR/DR/AGG:  AGG
Spectrum:  Not diagnostic
Fluorescence:  Generally inert
SG:  2.60 (+0.10 / -0.05)
Routine Treatments:  None
Additional Enhancements:  Dyeing, heating

carnelian facts

Beautiful carnelian cabochon set in a white gold ring with yellow gold floral prongs
Carnelian set in a two-tone gold fancy prong setting

Carnelian is a red, orange, or amber variety of chalcedony that ranges from semi transparent to semi translucent. 

Carnelian's name is derived from the Latin word for flesh, carne, due to its orangy red color.

Carnelian has been used in jewelry for hundreds of years.
​

Carnelian Gallery

All photos courtesy of Scott Papper, GIA GG, AJP, CMA (NAJA)
  • HOME
  • ABOUT US
  • SHOP
  • GEMOLOGY
    • GEM ENCYCLOPEDIA
    • DECORATIVE PRINTS
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  • APPRAISALS
    • INSURANCE
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    • ESTATE TAX
    • ESTATE DISTRIBUTION
    • CHARITABLE DONATION
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    • APPRAISALS THRU EMAIL
  • SELL YOUR JEWELRY
  • JEWELRY EDUCATION
    • DIAMOND FACTS
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  • GLOSSARY
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