tetragonal
Rutile
TiO2
Quick Facts
Hardness
6.0
Specific Gravity
4.23
Refractive Index
2.616
Crystal Structure
tetragonal[4/mmm]:{100}@1.0 + {101}@0.6 | elongate(c:2.0) tetragonal
4/mmm
{100} {101}
Physical Properties
Crystal Systemtetragonal
Hardness (Mohs)6.0
Specific Gravity4.23
CleavageGood prismatic {110}
FractureSubconchoidal to uneven
LustreAdamantine to metallic
Optical Properties
Refractive Index2.616
Birefringence0.287
PleochroismDistinct (yellowish-brown to reddish-brown)
Dispersion0.33
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Open in Playground tetragonal[4/mmm]:{100}@1.0 + {101}@0.6 | elongate(c:2.0) Related Minerals
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