Minerals 1
Inorganic, solid materials found in nature.
What is a mineral?
Minerals that break into jagged irregular pieces are said to exhibit ________________ .
What is fracture?
The mineral that has a hardness of 1.
What is talc?
The scale that classifies minerals by their hardness.
What is Mohs Scale of Hardness?
Silicon and oxygen (Hint: Where are they often found?)
The most abundant elements in Earth's crust
The hardness of a diamond.
What is 10 on Moh's scale?
The color of powder created when a mineral is scraped across a streak plate.
What is streak?
Fool's Gold is the common name for this mineral.
What is pyrite?
Minerals that form slowly as magma cools.
What are large mineral crystals?
These minerals have SiO2 in the chemical formula
What are silicates?
Two types of non-metallic luster.
What are pearly, glassy, dull or earthy?
Minerals that are rare and can be cut and polishes, giving them a beautiful appearance.
What are gems/gemstones?
Solid materials that have atoms that are in a repeating pattern.
What are crystals.
Minerals that form quickly as lava cools on the surface.
Minerals with small crystals.
Minerals made up of one kind of atom (gold, silver, copper)
What are elements?
The two categories for luster.
What is metallic and non-metallic?
From water carrying dissolved minerals and depositing them when the water evaporates
A second way that minerals can form
Minerals that split into pieces with smooth, regular planes are said to exhibit ______________ .
What is cleavage?
Hardness of a mineral that can be scratched with a fingernail.
What is a 1-2?
List three special properties
smell, reaction with light, magnetic, double images, phospherescence, conducts electricity
From lava or magma cooling and undergoing crystallization
One way minerals form
Is coal a mineral? You must tell why or why not!
No. Because it is formed from once living plants.
List all of the ways to identify minerals
What is streak, luster, color, hardness, cleavage/fracture, density, special properties
What is the most abundant type of mineral found in Earth's crust?
What are silicate minerals?
Fluoride and calcium
Minerals found in toothpaste