BLACK GEMSTONE Crossword Clue
The most common solution for the crossword clue "BLACK GEMSTONE" are ONYX with 4 letters.
BLACK GEMSTONE Crossword Clue
The most common solution for the crossword clue "BLACK GEMSTONE" are ONYX with 4 letters.
We know 2 solutions for: BLACK GEMSTONE
Crossword Puzzle Infos
Black gemstones are a type of mineral that is often used in jewelry and other decorative items. ONYX and JET are two examples of black gemstones. ONYX is a banded variety of the silicate mineral chalcedony, while JET is a type of coal that has been compressed over millions of years. Both ONYX and JET have been used for centuries in jewelry and other decorative items.