naturally occurring volcanic glass

OBSIDIAN
List of words for the clue naturally occurring volcanic glass from the crossword:
LAVA ASH SPORADIC HORAL ERODE ORGANIC PANE MAGMA BASALT ETCH IRA ETNA INHERE DYED ALONE INHERENT RARE ONESHOT ATRIA
WordClue
MAARlow-relief volcanic crater
TUFFvolcanic rock
WOOLglass or sheep
FIBREof glass or nerve
ROWANmountain ash
CINDERash
CRATERlunar or volcanic
MIRAGEnaturally occurring optical phenomenon
PUMICEvolcanic rock
CREMAINSash
PEEPHOLEglass opening in door
FRAGILITYproperty of glass forming liquids
PETROLEUMnaturally occurring flammable liquid
MIRAGEnaturally occurring optical phenomenon
TYPEnature, category