Granite Facts!
Hardness~2.0-2.5
Texture~Rough,Hard
Color~White,Grey, Diamond color
Streak~White
Texture~Rough,Hard
Color~White,Grey, Diamond color
Streak~White
Obsidian Facts!
Hardness~4.5-5.0
Texture~Smooth,Glossy
Color~Black
Streak~Black
Texture~Smooth,Glossy
Color~Black
Streak~Black
Rhyolite Facts
Hardness~3.0-4.5
Texture~Hard,Scaly
Color~Grey part pink
Streak~Grey
Texture~Hard,Scaly
Color~Grey part pink
Streak~Grey
Pegmatite Facts
Hardness~2.0-3.0
Texture~Scaly,Soft
Color~Brown,black
Streak~Grey
Texture~Scaly,Soft
Color~Brown,black
Streak~Grey
How do Igneous rocks form?
Igneous rocks forms two ways. One way is Extrusive and extrusive igneous rocks form from lava that erupted onto earth's surface. Another way is Intrusive and intrusive igneous rocks form from magma that hardens beneath earth's surface.
Uses of igneous rocks!
Some uses are :
-Tools
-Building Materials
-Grave Stones
-Land Scaping
-Road Building
-Tools
-Building Materials
-Grave Stones
-Land Scaping
-Road Building
Other Facts
Igneous rocks are classified according to their origin, texture and mineral composition