| Domain | Definition | ||
| Mining | Quartz thickly penetrated with hairlike crystals of rutile, actinolite, or some other mineral. Cf: hedgehog stone. (references) | ||
Source: compiled by the editor from various references; see credits. | Top | ||
Specialty Expressions: HAIRSTONE
| Expressions | Domain | Definition | |
| Thetis hairstone | Mining | Coarsely crystalline quartz containing inclusions of asbestiform amphibole, esp.hornblende or actinolite, that may be tangled or wound into a ball. See also: Venus hairstone; sagenitic quartz. (references) | |
| Venus hairstone | Mining | See: rutilated quartz. (references) | |
| Venus's hairstone | Mining | Quartz containing needle-shaped crystals of rutile. See also: Thetis hairstone; sagenitic quartz; sagenite. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||
