novaculite
Noun
Meaning
A variety of siliceous slate, of which hones are made; razor stone; Turkey stone; hone stone; whet slate.
Source: Webster's dictionarySynonyms
jasper
emery
flint
whetstone
granite
agate
obsidian
grindstone
silex
steel
marble
limestone
slate
sandstone
basalt
Show all synonyms