The geosphere

Definition of mineral:

One of these answers is not a criteria

• Naturally occurring

• Organic

• Solid

• Ordered atomic arrengement

What is this mineral?

• Calcite

• Pyrite

• Halite

• DIamond

All the rocks are formed by more than one mineral

• True

• False

Rocks which cool slowly are called

• Sedimentary rocks

• metamorphic rocks

• Extrusive rocks

• Intrusive rocks

Sandstone is a...

• sedimentary rock

• Igneous rock

• Metamorphic rock

What the name of this mineral?

• Azurite

• Gold

• Malachite

• Talc

What is the fingernail hardness?

• 1,5

• 2,5

• 3,5

• 4,5

This mineral can be scratched by the glass

• Apatite

• Ortoclase

• Quartz

• Topaz

The mineral colour and the streak colour are always the same

• True

• False

which of the followings rocks is a organic rock

• sandstone

• Coal

• limestone

• conglomerate