3.1 Matter Matters
When an atom shares one or more electrons with another atom
What is a Covalent Bond?
A solid in which the atoms are arranged in a regular, repeating pattern
What is a Crystal or Crystalline
Scientists who study minerals.
Who are Mineralogists?
When magma erupts onto Earth's surface, it is called
What is Lava?
A rock that contains minerals with useful elements.
What is Ore?
This equals the number of protons plus neutrons of an atom
What is the Atomic Mass?
Scientists have identified more than this many minerals in Earth’s crust.
What is 4000?
The color of a mineral’s powder.
What is streak?
What is left behind if pure water evaporates?
What is nothing?
A mine region must be restored to its natural state, a process called
What is Reclamation
Carbon-12, carbon-13, and carbon-14 are examples of
What are isoptopes?
The most common mineral group (90%)
What are SIlicates?
The pattern in which a mineral breaks.
What is fracture?
Melted rock inside Earth, a molten mixture of substances that can be hotter than 1,000 degrees C.
What is Magma?
A concentration of minerals is called this only if it is profitable to mine.
What is an Ore Deposit?
When the positive side of one polar molecule is attracted to the negative side of another polar molecule.
What is a Hydrogen Bond?
How heavy the mineral is relative to the same volume of water.
What is Specific Gravity?
The softest mineral?
What is Talc?
The mineral deposits that form when a mineral fills cracks in rocks are called
What are Veins?
Extraction of ores that are close to Earth’s surface.
What is Surface Mining?
The smallest unit of a compound with all the properties of that compound
What is a Molecule?
These minerals contain sulfur atoms bonded to oxygen atoms.
What are Sulfates?
Sparkly Luster
What is Adamantine?
Formed when large crystals grew in open spaces inside the rock.
What are Geodes?
Roasting rock, causing it to segregate into layers so the mineral can be extracted.
What is Smelting?