Table of Contents
- 1 What is it called when a mineral has a tendency to break rough unevenly or along a curve?
- 2 What is the tendency of a mineral to break along particular directions?
- 3 What does the streak test for minerals help do?
- 4 How do you determine a minerals streak?
- 5 What is the tendency of certain minerals to break along?
- 6 What do you call the tendency to break along curved or irregular lines?
What is it called when a mineral has a tendency to break rough unevenly or along a curve?
Fracture is the tendency of a mineral to break along curved surfaces without a definite shape. These minerals do not have planes of weakness and break irregularly.
What is the tendency of a mineral to split?
Cleavage is the tendency of minerals to split along crystallographic planes as a result of structural locations of atoms and ions in the crystal, creating planes of relative weakness.
What is the tendency of a mineral to break along particular directions?
Cleavage is the tendency of a mineral to break along certain planes to make smooth surfaces.
What is the repeating pattern of a mineral particles called?
The repeating pattern of a mineral’s particles forms a solid called a crystal. The solid has flat sides that meet at sharp edges and corners.
What does the streak test for minerals help do?
The “streak test” is a method used to determine the color of a mineral in powdered form. The color of a mineral’s powder is often a very important property for identifying the mineral.
What is the difference between a habit and a cleavage plane?
Cleavage plane — refers to the surface of a mineral. In the crystalline material, it is the plane where splitting can easily be performed. . Habit plane– is the crystallographic plane or system of planes where the phenomena called twinning happens.
How do you determine a minerals streak?
The streak test is done by scraping a specimen of the mineral across a piece of unglazed porcelain known as a “streak plate.” This can produce a small amount of powdered mineral on the surface of the plate. The powder color of that mineral known as its “streak.”
When a mineral break apart and it does not split evenly It is known as?
Mineral Final Test Review
| A | B |
|---|---|
| A mineral with a hardness of 6 will scratch a mineral with a hardness that is (more or less) than 6 | more |
| Minerals come from (materials not from living things) | inorganic |
| Mineral does not split apart evenly | fracture |
| not man made | inorganic |
What is the tendency of certain minerals to break along?
Cleavage is the tendency of minerals to break along smooth, flat surfaces. Fracture is the tendency of some minerals to break unevenly along curved or irregular surfaces. A mineral’s resistance to being scratched. Scientists use Mohs Hardness Scale.
What causes a mineral to break along flat planar surface?
Cleavage – The tendency of a mineral to break along flat planar surfaces as determined by the structure of its crystal lattice. These two-dimensional surfaces are known as cleavage planes and are caused by the alignment of weaker bonds between atoms in the crystal lattice. What property describes how a mineral breaks apart?
What do you call the tendency to break along curved or irregular lines?
Fracture is the tendency of a mineral to break along curved surfaces without a definite shape. These minerals do not have planes of weakness and break irregularly. What is the tendency to break along irregular surfaces?