novaculite


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novaculite

[nə′vak·yə‚līt]
(geology)
A siliceous sedimentary rock that is dense, hard, even-textured, light-colored, and characterized by dominance of microcrystalline quartz over chalcedony. Also known as razor stone.
References in periodicals archive ?
While novaculite stones work very well on carbon steels and many stainless steel blades, they do not deliver a good edge on some of the newer exotic stainless steels.
Rem-Oil and WD-40 work well in this department and these both work well in lieu of honing oil on novaculite stones if you are so inclined.
In Arkansas turquoise and planerite are found in the Arkansas Novaculite (with iron phosphates) and in the Bigfork Chert (with aluminum phosphates).
are often associated with residual iron or manganese deposits with no obvious source of copper (with the exception of those in the Arkansas Novaculite, where native copper is found in some units of the formation).
A comparison of these data with a temperature scale applied to isotope ratios from the late Paleozoic Arkansas Novaculite (Jones & Knauth 1979) suggests that isotopic temperatures ranged from approximately 21.
Evidence for peritidal deposition of Devonian Caballos Novaculite, Marathon Basin, Texas.
My favorite stones are quarried from natural beds of novaculite in Arkansas.
Arkansas is the nation's top producer of quartz crystal, its only producer of novaculite and the No.