ˈ ̷ ̷ˌ ̷ ̷ noun
Etymology: probably translation of German haarstein
: quartz thickly penetrated with hairlike crystals of rutile, actinolite, or other mineral
ˈ ̷ ̷ˌ ̷ ̷ noun
Etymology: probably translation of German haarstein
: quartz thickly penetrated with hairlike crystals of rutile, actinolite, or other mineral
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012