Properties
Mineral group: Corundum
Chemistry: Aluminiumoxid Al2O3
Color: Red, Pink-red
Crystal system: Trigonal
Mohs Scale hardness: 9
Refractive index: 1,766-1,774
Birefringence: 0,008
Specific gravity: 3,97-4,05
Other
Very rare and valuable gemstone. More rare than diamond and few new deposits are found. Ruby and Sapphire are the same mineral corundum and the red varity is Ruby. The adorable red color comes from small elements of Cromium. Wellknown deposits in Sri Lanka, Thailand, Vietnam och Burma. The largest deposit and production this days from Madagascar.
Gemstone Guides & Knowledge
Read more about Ruby on RIDDGEM Blog
Watch movies and Shorts about Ruby on RIDDGEM YouTube
Read/Learn more about Ruby under "Gemstoneinformation"
Ruby – Healing Properties
Ruby is a powerful stone of passion, strength and life energy. It has been used for thousands of years as a symbol of love, courage and vitality. Ruby helps to strengthen willpower, increase motivation and create a deep sense of inner power.
Read/learn more about Ruby – Healing Properties
