Image: <div class="fn value"> <a href="//commons.wikimedia.org/wiki/User:Archaeodontosaurus" title="User:Archaeodontosaurus">Didier Descouens</a></div> (CC BY-SA 3.0)
cubiccommonSilicates (host), Oxides (inclusions)
Rutilated Quartz
SiO₂ (with TiO₂ inclusions)
A transparent to translucent quartz crystal containing fine, needle-like inclusions of golden to reddish-brown rutile, often forming intricate patterns within the host mineral.
Rutilated Quartz Physical Properties
Mohs Hardness
7Crystal System
cubicLuster
vitreousStreak Color
WhiteCleavage
NoneFracture
ConchoidalSpecific Gravity
2.65Colors
colorless, white, smoky, golden, reddish-brown, blackTransparency
Transparent to TranslucentType Locality
Ibitiara, Bahia, BrazilMineral Group
Silicates (host), Oxides (inclusions)Uses
jewelry, collector, ornamentalAssociated Minerals
quartz, rutileRarity
commonGeological Context
Forms in hydrothermal veins or pegmatites where titanium-rich fluids are present during quartz crystallization, leading to the epitaxial growth of rutile needles within the growing quartz.
