A mineral is an earth material that cannot be broken down into any other substances. *Found inside of a rock.
What is mineral?
100
Luster is how shiny a rock is.
What is luster?
100
Rocks are made of minerals.
What is the difference between rocks and minerals?
100
Marble is a metamorphic rock composed most commonly of calcite or dolomitean igneous rock.
What is marble?
200
A rock cycle is the changes a rock makes in other rocks.
What is a rock cycle?
200
Diamond.
What is the hardest mineral?
200
A magnetic rock is a rock that attracts iron.
What is a magnetic rock?
200
Metamorphic rocks are formed by subjecting any rock type to different temperature and pressure conditions than those in which the original rock was formed.
How are metamorphic rock formed?
200
A sandstone is a sedimentary rock composed mainly of sand-sized minerals or rock grains.
What is a sandstone?
300
Rocks can be divided in igneous, sedimentary and metamorphic.
What are the three main kinds of rocks?
300
Graphite.
What is a very soft mineral?
300
You can test it by using your nail or a paper clip.
How can you test the hardness of a rock?
300
They get pushed together.
How do small particles form sedimentary rocks?
300
Limestone is a sedimentary rock composed largely of the minerals calcite and/or aragonite.
What is limestone?
400
Igneous rocks are rocks formed when molten magma cools and are divided into two main categories: plutonic rock and volcanic.
What are igneous rocks?
400
Calcite.
What the most common mineral in limestone?
400
Streak is closely related to color, but is a different property because the color of the mineral may be different than the color of the streak. Streak is actually the color of the powder of a mineral.
What is the streak of a mineral?
400
Diamonds are used to make jewerly, tools and computer parts.
What are diamonds used for?
400
A gemstone is a precious or semi-precious stone that is used in jewellery, often clear or gemmy.
What is a gemstone?
500
Granite is igneous rocks that form when magma cools and crystallizes slowly within the Earth's crust.
What is granite?
500
Quartz.
What is the most common mineral in sandstone?
500
A rock can be smooth, sharp, pointy, bumpy.
How can be the feel of a rock?
500
Cleavage is when a mineral breaks with smooth flat surfaces. It can be described as perfect, good, imperfect, poor.
What is cleavage?
500
When minerals have the time & space to grow into their crystal forms, they grow to beautiful regular shapes.