Answer: macle

AnswerCrossword Clue
MACLE

Mineral discoloration

MACLE

Dark spot

MACLE

Twin crystal

MACLE
Mineral crystal
MACLE
Twin crystal.
MACLEA twin crystal.
MACLETwin diamond crystal.
MACLETwinned crystal.
MACLEFlat diamond
MACLETwinned crystal
MACLESymmetric crystal