fire obsidian
Word Rarity
Rare
Frequency: Zipf frequency 2.95 in modern English
18
Scrabble Score
12
Letters
4
Syllables
10
Unique Chars
Meaning
noun
A rare variety of relatively clear volcanic glass that produces a vibrant color-reflectance caused by the inclusions of magnetite nanoparticles.
Countable; Uncountable