RUTILATED QUARTZ

Intersecting rutile needles within a rutilated quartz

Variety:  Rutilated
Species:  Quartz
​​Mohs Hardness:  7 out of 10
Color:  Clear with long, slender, red to golden rutile needle inclusions
RI:  1.544 to 1.553 (very constant)
Birefringence:  0.009
SR/DR/AGG:  DR
Clarity Type:  Type II
Optic Character:  Uniaxial positive.
Pleochroism:  None
Spectrum:  Not diagnostic
Fluorescence:  Inert
SG:  2.64 to 2.69 (Usually 2.66)
Routine Treatments:  None

Rutilated Quartz Facts

​Rutilated quartz is clear rock crystal with long, slender rutile needle inclusions, ranging from red to golden in color.

All photos courtesy of Scott Papper, GIA GG, AJP, CMA (NAJA)