A ___________ is a naturally occurring, inorganic solid with a specific chemical composition and a definite crystalline structure.
What is Mineral
100
_______ is the molten material found beneath Earth's surface.
What is Magma
100
_______ is the least reliable method of mineral identification.
What is Color
100
A mineral is a(n) _____ if it contains a useful substance that can be mined at a profit.
What is Ore
100
Minerals are made through natural processes, which is why that are called ____________ occurring.
What is Naturally
200
Minerals are made from substances that are non-living. That is to say, minerals are ___________.
What is Inorganic
200
Quartz is made of oxygen and silicon. Quartz is an example of a ___________.
What is Silicate
200
Galena is a metal that shines when placed in the sunlight. Galena most likely has a _________ luster.
What is Metallic
200
Gems are prized for the ________ and beauty.
What is Rarity
200
____________ are the mineral group containing compounds with metals and carbonate.
What is Carbonates
300
The mineral quartz is always made of the same two elements, oxygen and silicon. Quartz, therefore, demonstrates the __________ ___________ of minerals.
What is Specific composition
300
________ are compounds containing oxygen and metals.
What is Oxides
300
______ ________ is the most reliable method of mineral identification.
What is Specific gravity
300
________ __________ is a special property where 2 images appear when light passes through a mineral.
What is Double refraction
300
The mineral talc is described as "greasy." The way this mineral feels demonstrates the identification method of ________.
What is Texture
400
All _________ _________ are alike in that they are made of minerals arranged in repeating geometrical patterns.
What is Crystal systems
400
Minerals are often formed from _____________ solutions.
What is Super-saturated
400
Mineral hardness is demonstrated by the Mohs' scale, where _________ is the softest mineral and _________ is the hardest mineral.
What is Talc; diamond
400
_________ is the mineral ore responsible for aluminum.
What is Bauxite
400
An obsidian rock is broken, resulting in several jagged pieces. Obsidian most likely demonstrate __________.
What is Fracture
500
_____________ is a mineral with a hexagonal crystal system.
What is Pyromorphite
500
Malachite is an oxide made from iron and _________.
What is Oxygen
500
Pyrite and gold demonstrate the identification method of streak, where both minerals are gold in appearance, but pyrite streaks _______ and gold streaks _______.
What is Green/black; gold
500
Once an ore is more expensive to mine than it is worth, it is considered _____________ ______________, and may lose its status as an ore.