Citrine brut 66 multicolore Color: Green and pink Shape:

Color: Green and pink Shape: Oval Size: 47

The red of the ruby ​​appears bright red under an incandescent lamp

gris (translucide)

Obsidian can be confused with:

Citrine brut 66 multicolore Color: Green and pink Shape:Raw Citrine Color: Pale yellow Dimensions: 35. 76 x 22. 46 x 20. 64mm Weight: 22. 45g Country of origin: Democratic Republic of Congo Gemological information about citrine: Possible color: Pale yellow to yellow, orange, light brown (champagne, cognac, Madeira) Density: 2. 65 Hardness: 7 Crystal system: Trigonal Fracture: Conchoidal Cleavage: None Polariscope: Anisotropic (restores all 90, except in the optical axis) Refractive index: n0: 1. 538 to 1.