Rutile quartz
(roo'-til-kwôrtz)
19th c.; ger. med. quarz; slav. quarc; lat. rutilus
Transparent colorless quartz crystal with inclusions of titanium dioxide in long crystal form
Color
Colorless with inclusions
Chemical composition
SiO2
Specific gravity
2,66 ±0,20
Refractive index
1,544 - 1,553
Optical character
Uniaxial +