multicolor  
 
Gemval logo
Reference Values of Gems
Database updated: 15 Jan 2017
  Sign up Log in
 
     
 
 
     
 

Spessartite Garnet

  • Color: orangey yellow, orange, red
  • Hardness: 7
  • Refractive index: 1.79 - 1.81
  • Density: 4.14 - 4.20
  • Chemical composition: Mn3Al2(SiO4)3
  • Crystal structure: isometric
  • Lustre: vitreous
  • Origins: USA, Germany, Sweden, Brazil, Sri Lanka, Burma, Madagascar, Mozambique, Nigeria, Australia.

Spessartite is an orange or orangey-red variety of garnet. Intense orange stones have the highest value, with large specimens being rare.

 


Market values of Spessartite Garnet  

Occurrence of Spessartite Garnet  

Historical values  


 
 
Gemval logo Color grading system
Color system for opals
Clarity grades
Gems info
How it works
FAQ
Interviews
Testimonials
Updates
Partners
Privacy Policy
Disclaimer
Site Map
About us
Contacts
©2004-2017 Gemval.com
 
  multicolor