| Answer | Crossword Clue |
|---|---|
| hyalomelans | HYALOMELAN, a vitreous form of basalt, aka tachylite also HYALOMELANE |
| Answer | Crossword Clue |
|---|---|
| hyalomelans | HYALOMELAN, a vitreous form of basalt, aka tachylite also HYALOMELANE |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.