Global Gemology - Rare Gems & Jewels
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RHODOCHROSITE

Picture
Rhodochrosite ring designed by Roderick & Marilyn Tenorio for Carolyn Pollack / Relios
Rhodochrosite ring with "bacon strip" banding
Species:  Rhodochrosite
​​Mohs Hardness:  3.5 to 4 out of 10
Color:  Red, pink, light brownish red, orangy red, and may have its characteristic "bacon strip" banding
RI:  1.597 to 1.817 (+/- 0.003)
Birefringence:  0.220 (birefringence blink method)
SR/DR/AGG:  AGG
Clarity Type:  Type II
Spectrum:  Very dark band around 410nm, weaker bands around 450nm and 545nm
Fluorescence:  Inert to moderate pink under LW, inert to weak pink under SW
SG:  Usually 3.70, but can be as low as 3.60 (+0.10 / -0.15)
Routine Treatments:  None

Rhodochrosite Facts

Picture
Macrophotograph of rhodochrosite's signature
Signature "bacon strip" banding in rhodochrosite

Rhodochrosite is a fun gem known for its characteristic "bacon strip" banding.

In 2002, rhodochrosite was named Colorado's official state mineral.

All photos courtesy of Scott Papper, GIA GG, AJP, CMA (NAJA)

  • HOME
  • ABOUT
  • SHOP
  • SERVICES
    • APPRAISALS
    • EXPERT WITNESS TESTIMONY
    • SELL YOUR JEWELRY
  • GEMOLOGY
    • GEM ENCYCLOPEDIA
    • THE ART OF GEMOLOGY
  • JEWELRY EDUCATION
    • DIAMOND FACTS
    • JEWELER DIRECTORY
    • JEWELRY PERIODS
    • POCKET WATCHES
    • NATIVE AMERICAN JEWELRY
  • GLOSSARY