Solutions Crystalline rock has 7 entries with similar clues
- we.... will rock you, queen song and rock musical
- saltCrystalline substance used to season food
- snowCrystalline frozen water
- boronA crystalline chemical element used in making alloy steel and in nuclear reactors
- marbleHard crystalline limestone used for sculpture
- amorphousNot crystalline
- the-flintstonesRock group briefly include rock for Fred's family