geyserite Min.
(ˈgeɪsəraɪt)
[f. geyser + -ite. Named by Delamétherie in 1812.]
A variety of opal, of concretionary form, found deposited about the orifices of geysers.
| 1814 T. Allan Min. Nomen. 22 Geyserite [printed Geyerite.]. 1826 Emmons Min. 220 Quartz..recent deposit from hot springs..Geyserite. 1879 Rutley Stud. Rocks xiv. 303 Geyserite is a snow-white silicious sinter..which occurs incrusting the pipes of geysers. |