A real mood-brightener with a softly shimmering play of colors. When on the move it scintillates color reflexes in blue, green, red or yellow on a milky background.
Formula: SiO2 + H2O
Hardness: 5.5 – 6.5
Density: 1.97 – 2.22 g/cm3
Refractive Index: 1.37 – 1.47 (commonly 1.45)
Color:
Opal with a play of color and a white (light) body color
Countries of Origin: Australia
Birthstone: April