Natural Rutilated Quartz - oval cabochon - black rutile quartz - 0.455 ct
Natural Rutilated Quartz - oval cabochon - black rutile quartz - 0.455 ct
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Natural Rutilated Quartz - oval cabochon - black rutile quartz
Natural rutilated quartz captures light with striking elegance, its transparent crystal matrix threaded with delicate black rutile needles that create mesmerizing patterns. This oval cabochon showcases the stone's natural beauty in a polished, domed form ideal for jewelry design or display. Each piece is genuinely unique, with its own distinctive rutile configuration. Prized by collectors and artisans alike, rutilated quartz combines visual intrigue with the timeless appeal of natural gemstones, making it a sophisticated choice for those who appreciate authentic mineral artistry.
Certificate : CA-QUAR026RB-003-091
Gem Type: Natural Clear Quartz
Weight: 0.455 Carat
Shape: Oval
Size: 3.9 x 5.9 x 2.3 mm.
Color: clear/black
Clarity: Transparent
Luster: submetallic
Treatment: heated to stabilise materials
Optical Phenomenon : rutilated ( black titanium dioxide inclusions trapped during the formation of quartz)
Birefringence : 0.285 to 0.296
- System: Tetragonal.
- Habit: Prismatic, acicular (needle-like), often elongated parallel to the c-axis.
- Symmetry: High symmetry (4/mmm)
- Key Features: High refractive index, large birefringence, high dispersion, giving it distinct colors and optical effects.
- Formation: Rutile needles grow within or on quartz, often epitaxially, aligning with the quartz's crystal structure to minimize stress.
- Patterns: Can form random, parallel, star-shaped (sagenitic), or dense bundles.
- Color: Golden, red, silver, black (from rutile), with the quartz usually colorless.
- Significance: The interaction of their crystal structures (epitaxy) dictates the beautiful patterns, making it popular for jewelry
Crystallography : Hexagonal (tetragonal)
Dispersion : 0.28 (higher then diamond)
Luster : Vitreous
Hardness : 7
Refractive index : the host quartz, typically around 1.544–1.553, while the rutile inclusions themselves have a very high RI (2.616–2.903),
Specific gravity : 2.651
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