A vivacious gemstone in the range yellow-orange to orange-red from Mexico and, more recently, Brazil. Its expressive, warm orange hue and its high brilliance provide jewellery with a point of focus.
Formula: SiO2 + H2O
Hardness: 5.5 -6.5
Density: 1.97 – 2.22 g/cm3
Refractive Index: 1.37 – 1.47
Color: near colorless, yellow, orange, orange-red
Countries of Origin: Mexico
Birthstone: April