Citrine brut 10 cristal de roche Philippine

Philippine

A savoir: Autre nom: agate sagénite

Cassure: Subconchoïdale à grenue

673 Birefringence: Most of the time it is zero Chelsea Filter: Inert Spectrum: Not observable / not diagnostic Different countries where white jade may be mined: Japan

Taille: 40

Citrine brut 10 cristal de roche PhilippineRaw Citrine Color: Pale yellow Dimensions: 42. 14 x 22. 70 x 19. 95mm Weight: 30. 09g 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.