These deep purplish-red garnets were often featured in Victorian Jewelry. When they are cut en cabochon they are referred to as “carbuncles.” For more information read our article on garnets.
Gemological Information for Almandine
Color: | Red to Purplish-Red, Pale to Deep Mauve (Idiochromatic; Almandine is Colored by One of its Essential Ingredients: Iron Ions) |
Crystal Structure: | Cubic |
Refractive Index: | 1.76-1.81 |
Durability: | Good |
Hardness: | 7.25 |
Family: | Garnet |
Similar Stones: | Pyrope, Ruby, Spinel |
Treatments: | Usually Not Treated |
Country of Origin: | Worldwide. Major localities include India, Australia, Sri Lanka, Madagascar, Brazil and Tanzania. |
Almandine Care
Ultrasonic Cleaning: | Safe |
Steam Cleaning: | Safe |
Warm Soapy Water: | Safe |
Chemical Attack: | Avoid |
Light Sensitivity: | Stable |
Heat Sensitivity: | Stable |