Rutilated Quartz
Quartz containing rutile as inclusions. The rutile inclusions can be gold, silver, red, or black in color.
The beautiful luster of Rutilated Quartz
Basic Information
| English Name | Rutilated Quartz |
|---|---|
| Japanese Name | Kinkouseki-iri Suisho (Quartz with Rutile) |
| Chemical Formula | SiO₂, inclusions are TiO₂ |
| Crystal System | Hexagonal (Trigonal) |
| Hardness | 7 |
| Specific Gravity | Approx. 2.7 |
Features & Variations
- Sun Rutile Quartz: Rutile crystals radiating from a hematite inclusion at the center.
- Rutilated Quartz Cat's Eye: Rutile inclusions aligned in parallel, creating a chatoyancy effect.
Origin, Synonyms, Treatments & Similar Stones
Synonyms:
- Golden Quartz: Sometimes called "gold-threaded quartz."
- Venus hair stone: Specimens where the rutile is fine and curved like hair.
- Cupid's Arrows: Specimens where the rutile is included in straight lines.
Treatment: Irradiation: Some specimens are irradiated to induce a smoky color for a sense of weight.
Similar Stones: Etched quartz, Goethite-included quartz, Cacoxenite-included quartz