- a smoky-yellow to dark brown or black variety of quartz, used as a gem.
Origin of smoky quartz
First recorded in 1830–40
Also called cairngorm, Cairngorm stone.
Origin of cairngorm
1785–95; short for Cairngorm stone, i.e., stone from Cairngorm Mountains
Also called Cairngorm stone.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- another name for cairngorm
so named because of its colour
- a smoky yellow, grey, or brown variety of quartz, used as a gemstoneAlso called: smoky quartz
C18: from Cairn Gorm (literally: blue cairn), mountain in Scotland where it is found