Skip to content

Crossword clues

Solve these clues to fill the grid.

One of a family of granular intrusive rocks
3 Across
A green or blue mineral used as an ore of copper and for making ornamental objects
5 Across
Thin layers of rock used for roofing
8 Across
A sedimentary rock consisting mainly of calcium that was deposited by the remains of marine animals
9 Across
A common white or colorless mineral used to make cements and plasters
10 Across
A hard glossy mineral consisting of silicon dioxide in crystal form
11 Across
Any of a group of hard crystalline minerals that consist of aluminum silicates of potassium
12 Across
A hard crystalline metamorphic rock that takes a high polish
13 Across
Produced by the action of fire or intense heat
1 Down
Plutonic igneous rock having visibly crystalline texture
2 Down
A sedimentary rock consisting of sand consolidated with some cement
4 Down
Rock that in its molten form issues from volcanos
6 Down
Any metamorphic rock that can be split into thin layers
7 Down
Any of a group of hard glassy minerals used as gemstones and as an abrasive
10 Down

Explore more

More in Earth & Weather

More from CuriousGecko37