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cubiccommonSilicates
Rutilated Quartz
SiO2 (with TiO2 inclusions)
A polished, transparent quartz specimen featuring prominent black and reddish-brown needle-like rutile inclusions, enhancing its display.
Rutilated Quartz Physical Properties
Mohs Hardness
7Crystal System
cubicLuster
vitreousStreak Color
WhiteCleavage
NoneFracture
ConchoidalSpecific Gravity
2.65Colors
colorless, smoky, golden, reddish-brown, blackTransparency
TransparentType Locality
Vakinankaratra Region, MadagascarMineral Group
SilicatesUses
jewelry, collector, ornamentalAssociated Minerals
Rutile, SchorlRarity
commonGeological Context
Rutilated quartz forms when rutile needles crystallize within a growing quartz crystal, typically in hydrothermal veins or pegmatites, often associated with metamorphic or igneous activity.
