Citrine brut 32 Communication animale Couleurs possibles: Gris bleuté avec

Couleurs possibles: Gris bleuté avec deux variétés de couleurs plus ou moins distinctes

36 carat Country of origin: Madagascar Gemological information about common green opal: Note: There are two types of opal: noble (also called precious) and common

Color: Dark green alternating with light green

Color: Purple streaked with white Shape: Trapezoid Size: 29

Citrine brut 32 Communication animale Couleurs possibles: Gris bleuté avecRaw Citrine Color: Pale yellow Dimensions: 43. 80 x 24. 22 x 23. 93mm Weight: 35. 55g 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.